Mahendra Kumar

Texas A&M University
Teacher

Biography

I am having a teaching experience of more than 10 years and i love to make future of my child. Most of my students are doing great in their lives.
thank you.

Education

BS Physics
Texas A&M University

Educator Statistics

Numerade tutor for 5 years
378 Students Helped

Topics Covered

Mastering Motion: Achieving Efficiency Along a Straight Line
Mastering Newton's Laws: Tips for Applying Them Effectively
Understanding Reflection and Refraction of Light: A Comprehensive Guide
Capacitance and Dielectrics: Understanding the Basics
Unlock the Secrets of Fluid Mechanics with Our Expert Guide
Exploring the Fascinating World of Quantum Physics
Exploring the Wonders of Atomic Physics: A Comprehensive Guide
Discover the Fascinating World of Nuclear Physics
Spectroscopy
Unlocking the Power of Magnetic Fields and Forces
Master the Fundamentals of Physics: Learn Physics Basics
Oscillatory Motion
Explore the Fascinating World of Wave Optics - Unleash Its Potential
Discover the Power of Kinetics: Unleash Your Potential
Understanding Electric Charge and Field: A Comprehensive Guide

mahendra's Textbook Answer Videos

04:15
Objective Physics for NEET

A wooden block with a coin placed on its top, floats in water as shown in the figure. The distance $l$ and $h$ are shown in figure. After some time the coin falls into the water. Then
(a) $l$ decreases and $h$ increases
(b) $l$ increases and $h$ decreases
(c) both $l$ and $h$ increase
(d) both $l$ and $h$ decrease

Chapter 10: Fluid Mechanics
Mahendra Kumar
01:29
Objective Physics for NEET

An object is approaching a fixed plane mirror with velocity $5 \mathrm{~m} / \mathrm{s}$ making an angle of $45^{\circ}$ with the normal. The speed of image with respect to mirror is
(a) $5 \mathrm{~m} / \mathrm{s}$
(b) $\frac{5}{\sqrt{2}} \mathrm{~m} / \mathrm{s}$
(c) $5 \sqrt{2} \mathrm{~m} / \mathrm{s}$
(d) $10 \mathrm{~m} / \mathrm{s}$

Chapter 24: Ray-Optics and Optical Instruments
Mahendra Kumar
05:19
Objective Physics for NEET

A bullet of mass $m_{2}$ is fired from a gun of mass $m_{1}$ with horizontal velocity $v$. A plane mirror is fixed at gun facing towards bullet. The velocity of the image of bullet formed by the plane mirror with respect to bullet is
(a) $\left(1+\frac{m_{2}}{m_{1}}\right)$
(b) $\left(\frac{m_{1}+m_{2}}{m_{1}}\right) v$
(c) $\frac{2\left(m_{1}+m_{2}\right)}{m_{1}}$
(d) none of these

Chapter 24: Ray-Optics and Optical Instruments
Mahendra Kumar
02:28
Objective Physics for NEET

A cubical room is formed with 6 plane mirrors. An insect moves along diagonal of the floor with uniform speed. The velocity of its image in two adjacent walls are $20 \sqrt{2} \mathrm{~cm} / \mathrm{s}$. Then the velocity of image formed by the roof is
(a) $20 \mathrm{~cm} / \mathrm{sec}$
(b) $40 \mathrm{~cm} / \mathrm{sec}$
(c) $20 \sqrt{2} \mathrm{~cm} / \mathrm{sec}$
(d) $10 \sqrt{2} \mathrm{~cm} / \mathrm{sec}$

Chapter 24: Ray-Optics and Optical Instruments
Mahendra Kumar
02:18
Objective Physics for NEET

A plane mirror is placed along positive $x$ -axis facing along positive $y$ -axis. The equation of a linear object is $x=y .$ The equation of its image is
(a) $x=y$
(b) $x+y=0$
(c) $2 x+y=0$
(d) none of these

Chapter 24: Ray-Optics and Optical Instruments
Mahendra Kumar
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