🧠 PhysicsMonk — Clear All Your Physics Doubts Instantly for IIT-JEE & NEET

Welcome to PhysicsMonk.com – the most trusted Physics doubt solving platform for IIT-JEE, NEET, and CBSE students.

Vivek Singh

Vivek Singh

HOD Physics @ Unacademy Bhilai

Former Director — Vibrant Academy | Former Faculty — Aakash Institute
In his free time, he provides career counseling on Dial Me 24/7

Hi, this is Vivek Singh. I help NEET and IIT-JEE aspirants do the one thing that matters most: get selected.

If your focus keeps slipping, your marks aren’t moving, or you’re studying hard with zero results—I’ll tell you exactly what’s breaking your preparation and how to fix it fast.

My priority is simple: Turn your preparation into a selection.

From routine, discipline and strategy to exam temperament—I break down everything toppers get right and average students miss.

Once the rank comes, I guide you on which branch to pick, which college to trust, and how to lock a path that gives long-term success.

If things don’t go as planned, I help you make smart next moves without wasting a year or losing confidence.

If you want sharp guidance, honest feedback, and a push that converts effort into results — I’m here for you.

Speak with Mr. Vivek Singh on Dial Me 24/7

Get Clear Physics Solutions — Fast

Stuck in Physics? Confused between DC Pandey, SL Arora or NCERT?

PhysicsMonk gives fast, accurate doubt-solutions for IIT-JEE & NEET Physics — no YouTube overload, no confusion.

Browse solutions by chapter, book or exam level.

JEE Mains NEET UG CBSE Class 11 CBSE Class 12 NCERT DC Pandey SL Arora
NEET2025:An oxygen cylinder of volume 30 litre has 18.20 moles of oxygen. After some oxygen is with

NEET2025:An oxygen cylinder of volume 30 litre has 18.20 moles of oxygen. After some oxygen is with

May 13, 2025

Description An oxygen cylinder of volume 30 litre has 18.20 moles of oxygen. After some oxygen is withdrawn from the cylinder, its gauge pressure drops to 11 atmospheric pressure at temperature 27°C. The mass of the oxygen withdrawn from the cylinder is nearly equal to: [Given, R=100/12 Jmol-1K-1 and molecular mass of O2 = 32,

NEET 2025:In a certain camera, a combination of four similar thin convex lenses are arranged axially

NEET 2025:In a certain camera, a combination of four similar thin convex lenses are arranged axially

May 12, 2025

Description In a certain camera, a combination of four similar thin convex lenses are arranged axially in contact. Then the power of the combination and the total magnification in comparison to the power (p) and magnification (m) for each lens will be, respectively (1) 4p and 4m 2) p4 and 4m. 3) 4p and m4

NEET 2025:A 2 amp current is flowing through two different small circular copper coils having radii

NEET 2025:A 2 amp current is flowing through two different small circular copper coils having radii

May 12, 2025

Description A 2 amp current is flowing through two different small circular copper coils having radii ratio 1 : 2. The ratio of their respective magnetic moments will be (1) 1 : 4 2) 1 : 2. 3) 2 : 1 4) 4 : 1 Frequently Asked Questions How to prepare for NEET Physics? For

NEET 2025: AB is a part of an electrical circuit (see figure). The potential difference “VA – VB”, a

NEET 2025: AB is a part of an electrical circuit (see figure). The potential difference “VA – VB”, a

May 12, 2025

Description AB is a part of an electrical circuit (see figure). The potential difference “VA – VB”, at the instant when current i = 2 A and is increasing at a rate of 1 amp/second is: 1) 5 volt 2) 6 volt. 3) 9 volt 4) 10 volt Frequently Asked Questions How to prepare for

NEET2025:The electric field in a plane electromagnetic wave is given byEz = 60 cos (5x + 1.5 × 109

NEET2025:The electric field in a plane electromagnetic wave is given byEz = 60 cos (5x + 1.5 × 109

May 12, 2025

Description The electric field in a plane electromagnetic wave is given by Ez = 60 cos (5x + 1.5 × 109 t) V/m. Then expression for the corresponding magnetic field is (here subscripts denote the direction of the field) : (1) By = 2 × 10–7 cos (5x + 1.5 × 109 t)T (2) Bx

NEET 2025:A ball of mass 0.5 kg is dropped from a height of 40 m. The ball hits the ground and rises

NEET 2025:A ball of mass 0.5 kg is dropped from a height of 40 m. The ball hits the ground and rises

May 12, 2025

Description A ball of mass 0.5 kg is dropped from a height of 40 m. The ball hits the ground and rises to a height of 10 m. The impulse imparted to the ball during its collision with the ground is (Take g = 9.8 m/s2) (1) 21 NS 2) 7 NS. 3) 0 4)

NEET 2025:A bob of heavy mass m is suspended by a light string of length l. The bob is given a horiz

NEET 2025:A bob of heavy mass m is suspended by a light string of length l. The bob is given a horiz

May 12, 2025

Description A bob of heavy mass m is suspended by a light string of length l. The bob is given a horizontal velocity v0 as shown in figure. If the string gets slack at some point P making an angle θ from the horizontal, the ratio of the speed v of the bob at point

NEET 2025:The current passing through the battery in the given circuit, is:

NEET 2025:The current passing through the battery in the given circuit, is:

May 12, 2025

Description The current passing through the battery in the given circuit, is: Frequently Asked Questions How to prepare for NEET Physics? For NEET Physics preparation, focus on NCERT textbooks first, then move to reference books. Create a topic-wise study plan covering Mechanics, Thermodynamics, Electromagnetism, Optics, and Modern Physics. Solve previous years’ questions and take regular

NEET 2024:A microscope has an objective of focal length 2 cm, eyepiece of focal length 4 cm

NEET 2024:A microscope has an objective of focal length 2 cm, eyepiece of focal length 4 cm

May 12, 2025

Description A microscope has an objective of focal length 2 cm, eyepiece of focal length 4 cm and the tube length of 40 cm. If the distance of distinct vision of eye is 25 cm, the magnification in the microscope is (1) 100 2) 125. 3) 150 4) 250 Frequently Asked Questions How to prepare

NEET 2025:The kinetic energies of two similar cars A and B are 100 J and 225 J respectively. On ap

NEET 2025:The kinetic energies of two similar cars A and B are 100 J and 225 J respectively. On ap

May 10, 2025

Description The kinetic energies of two similar cars A and B are 100 J and 225 J respectively. On applying breaks, car A stops after 1000 m and car B stops after 1500 m. If FA and FB are the forces applied by the breaks on cars A and B respectively, then the ratio of

Previous

PhysicsMonk” by Mr. Vivek Singh Sir & team