Tuesday, 17 April 2018

Physics Tutor For Neet In Kalkaji

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For a concave mirror, a virtual image can be anywhere behind the mirror. For a convex mirror, however, there is a maximum distance at which the image can exist behind the mirror. Why?

Description-Let us consider the concave mirror first and imagine two different light rays leaving a tiny object and striking the mirror. If the object is at the focal point, the light rays reflecting from the mirror will be parallel to the mirror axis.
They can be interpreted as forming a virtual image infinitely far away behind the mirror.

As the object is brought closer to the mirror, the reflected rays will diverage through larger and larger angles, resulting in their extensions converging closer and closer to the back of the mirror.
When the object is much closer to the mirror than the focal length, the mirror acts like a flat mirror, and the image is just as far behind the mirror as the object is in front of it.

Thus, the image can be anywhere from infinitely far away to right at the surface of the mirror.
For the convex mirror, an object at infinity produces a virtual image at the focal point. As the object is brought closer, the reflected rays diverge more sharply and the image moves closer to the mirror. Thus, the virtual image is restricted to the region between the mirror and the focal point.

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For a concave mirror, a virtual image can be anywhere behind the mirror. For a convex mirror, however, there is a maximum distance at which the image can exist behind the mirror. Why?

Description-Let us consider the concave mirror first and imagine two different light rays leaving a tiny object and striking the mirror. If the object is at the focal point, the light rays reflecting from the mirror will be parallel to the mirror axis.
They can be interpreted as forming a virtual image infinitely far away behind the mirror.

Still you are feeling any problem in RAY OPTICS-
PHYSICS CONTACT -KUMAR SIR-9958461445
www.kumarphysicsclasses.com

Ray Optics Physics-Physics Tutor In Kalkaji/C r Park/Gk 2/Alaknanda-Kumar sir-9958461445

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Physics Specialist/Tutor/Classes-Kalkaji/Gk 2/Gk 1/C r Park/Alaknanda-Kumar Sir-9958461445-

For a concave mirror, a virtual image can be anywhere behind the mirror. For a convex mirror, however, there is a maximum distance at which the image can exist behind the mirror. Why?

Description-Let us consider the concave mirror first and imagine two different light rays leaving a tiny object and striking the mirror. If the object is at the focal point, the light rays reflecting from the mirror will be parallel to the mirror axis.
They can be interpreted as forming a virtual image infinitely far away behind the mirror.

Still you are feeling any problem in RAY OPTICS-
PHYSICS CONTACT -KUMAR SIR-9958461445
www.kumarphysicsclasses.com

Ray Optics Physics-Physics Tutor In Kalkaji/C r Park/Gk 2/Alaknanda-Kumar sir-9958461445

Optics Physics Concepts By Kumar Sir-9958461445-Physics Tutor In Hauz Khas,Safdarjung Enclave,Khel Gaon,South Ex-Best Physics Lessons In Delhi

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Physics Tutor In New Friends Colony -Kumar Sir-9958461445

Physics Specialist/Tutor/Classes-Kalkaji/Gk 2/Gk 1/C r Park/Alaknanda-Kumar Sir-9958461445-

For a concave mirror, a virtual image can be anywhere behind the mirror. For a convex mirror, however, there is a maximum distance at which the image can exist behind the mirror. Why?

Description-Let us consider the concave mirror first and imagine two different light rays leaving a tiny object and striking the mirror. If the object is at the focal point, the light rays reflecting from the mirror will be parallel to the mirror axis.
They can be interpreted as forming a virtual image infinitely far away behind the mirror.

Still you are feeling any problem in RAY OPTICS-
PHYSICS CONTACT -KUMAR SIR-9958461445
www.kumarphysicsclasses.com

Ray Optics Physics-Physics Tutor In Kalkaji/C r Park/Gk 2/Alaknanda-Kumar sir-9958461445

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Ray Optics Physics Concept By Physics Tutor In Vasant kunj,Mahipalpur,Vasant Vihar,Sainik Farm,Saket,Pvr,Pushpa Vihar,Sarojani Nagar,Ina,R K Puram-By Kumar Sir-9958461445

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Wednesday, 11 April 2018

Physics Tutor In Gk 2

Physics IIT Question
solid cylindrical wheel of mass M and radius R is pulled by a force F applied to the centre of the wheel at 37° to the horizontal. If the wheel is to roll without slipping, what is the maximum value of |F|? The coefficients of static and kinetic friction are ms = 0.40 and mk = 0.30 and sin 37° = 3/5.  (a) 0.79 Mg (b) 0.98 Mg (c) 0.6 Mg (d) 0.49 Mg
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Saturday, 7 April 2018

Tips For Neet Physics Physics Classes in Kalkaji/South Delhi

Tips Before Appearing For Neet Exam -Physics Classes In Gk 2/Gk 1/South Ex/Kotala/Jor Bagh/Golf Link/Sunder Nagar//Sant Nagar/Lajpat Nagar/Vasant Kunj/South Delhi-By Kumar Sir -9958461445

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NEET Physics entrance exam like other competitive exams is a time-bound exam. This, however, does not mean that students should start solving the question paper quickly without going through it correctly. Keeping time management in mind, students should begin addressing the problems with moderate speed; once they get the rhythm, they can increase their rate accordingly. In other words, they need to move out of inertia and start rolling. Once you are going, you will be able to solve even tricky problems with the acquired momentum. It is ALWAYS better to attempt questions from your Physics First because time is fresh at the time of starting which will undoubtedly help you in rolling forward. Mark the items (on your question paper) which seem comfortable at prima-facie and attempt these questions first.

Do not waste your time: There is no need to hang on an ONE question for more than 5 minutes as this would further spend your time and thus move on to next . After all, it is an observation, and your aim should be to score high by dividing your time judiciously and intelligently. Choose the Questions to Attempt: I would suggest you try as many conceptual problems as you can since these are relatively scoring. For comprehension related questions, read them carefully because these can be answered quickly and correctly. According to the pattern of the problems, you may opt for your favourite section/portion of the paper as per your convenience.

Try to cross-check the answers by putting values in the equation(s) given. Create a Revision Plan: During preparation, you must have a revision plan which should be interlinked topic wise and concept-wise. Also, you can reinforce your memory by revision at regular intervals. While doing the rough work for solving questions, you must do it as neatly as possible, as this helps in revising the attempted questions. It might sound trivial, but it helps; in fact, these little things if taken into account can add much to your score. It is entirely possible that you may finish your favourite subject much before, thereby devoting that surplus time on other areas which usually take more time. This will help multiply your score at the end. You must plan your time in such a manner that at the end you are left with 15–20 minutes which you can use for revision and cross-checking. Advance Planning: As per general perception, Physics seems difficult and Smart, but you can make it easy by resorting to a specific strategy.

Before the Exam Day, revise all physics topics with formulae-wise because by doing so you will get a recap of the entire practical concepts involved in solutions which will save your time too. Any Problem In Physics Contact Kumar Sir 9958461445 Similarly, Chemistry can be the most scoring subject if you prepare and solve the questions intelligently. To finish the paper in time, attempt the theoretical questions first and then move on to the integral portion and organic reactions. This will help you maximise your score. Biology is fascinating subject as compared to Physics and Chemistry.

Students need to practice as much as possible and try to concentrate fully on a study to be successful in the exam. Moreover, they should devise a strategy and research respectively. Positive Attitude: Success in NEET largely depends upon your hard effort, perseverance, courage and conceptual clarity. If you want to be a winner in this exam, don’t lose your patience and be sure as this exam is similar to other several reviews you have developed so far. Keep yourself focused and look in the exam with positive attitude speculating that you are going to hit the jackpot. The psychological action starts before the real game comes in. Every action is first won in mind. If your account thinks you can, you are certainly going to crack the NEET 2017. We wish you success and a bright future ahead!

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Friday, 6 April 2018

Physics Classes/Tutor In Gk 2

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Ways To Destree Yourself Before The Exam

It is the final countdown and students can be found immersed in their books. Libraries become the favourite hangout place for these kids as they slurp on caffeinated drinks and chug their junk. The pressure is bound to mount regarding the monstrous exam that students have been preparing for the past months. Though an ideal level of stress is said to motivate the students to perform their best, however not everyone can tackle the same. Entering the last week before the red letter day, it is imperative for you to keep a check on your pressure levels. Read the following fantastic ways to de-stress during the final countdown to have the stress away. Cut down the Caffeine Intake It cannot be denied that caffeine is a staple beverage of students during the weeks leading up to the written exam. However, they neglect to note that caffeine dehydrates the body causing weakness and headache. It is thus advised to avoid caffeinated drinks or balance it with an adequate amount of liquid. Stay hydrated, and your body and mind will thank you. Exhale out anxieties Getting all excited a week before the exam is common in students. However, what is required is to de-stress yourself and keep calm. When you feel your stress levels climbing up, take deep breaths. Inhale and exhale slowly. This would not only reduce your stress level considerably but also keep anxieties at bay. Take a nap Rests during studying allow to power through the long and strenuous hours of studying. According to a study, a 40 minutes nap increases the alertness of mind by 100%, thereby substantially improving your performance and taking it to the next level. Listen to good music It has been rightly remarked that “Music is the soul of life”. Listening to good music calms down the senses, instils positivity, helps in relaxation and soothes body and mind. It is one of the active ways that can help you de-stress and makes you happy. Unplug the tech-devices Technology is a boon, but it is also a significant hindrance and greatest distraction. Tech-devices not only distract you from your goals but are also a source of stress. You can catch up on it when before meal time or before going to sleep. However, don’t stretch it’s usage to more than a few minutes. Take a walk The significance of taking a step cannot be underestimated. It not only refreshes your body and mind but also helps you unwind in different ways. A walk in the lap of nature calms the mind, restores balance and adds more clarity. Do it for yourself Do it for yourself because it’s about your future and your goals. You have to prove it yourself and not others, so stop stressing about it. Remember it’s your dreams you are working for and give it your best shot. However, also remember that success doesn’t come to a stressed mind; progress comes to a positive spirit. Keep a positive attitude and keep motivating yourself to do it because you want this and because this is your future

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