List of top Physics Questions asked in NEET (UG)

A bulb is located on a wall. Its image is to be obtained on a parallel wall with the help of convex lens. If the distance between parallel walls is 'd' then required focal length of lens placed in between the walls is : -

Consider two rods of same length and different specific heats $ (S_1, S_2) $ , conductivities $ (K_1, K_2)$ and area of cross-sections $ (A_1 , A_2) $ and both having temperatures $ T_1$ and $T_2 $ at their ends. If rate of loss of heat due to conduction is equal, then :-

For the given circuit of p-n junction diode which is correct :-

Some charge is being given to a conductor. Then its potential :-

A deuteron is bombarded on ⁸O₁₆ nucleus then the α-particle is emitted then the product nucleus is

An object of mass 3 kg is at rest. Now a force of $\vec{F} = 6 t^2 \hat{i} + 4t \hat{j}$ is applied on the object then velocity of object at r = 3 second is :-

The efficiency of Carnot engine is $50 \% $ and temperature of sink is 500 K. If temperature of source is kept constant and its efficiency raised to $60 \%, $ then the required temperature of sink will be :-

For the given incident ray as shown in figure, the condition of total internal refraction of this ray the required refractive index of prism will be :-

A circular disc is to be made by using iron and aluminium so that it acquired maximum moment of inertia about geometrical axis. It is possible with :-

A lift of mass 1000 kg which is moving with acceleration of $1 m/s^2$ in upward direction, then the tension developed in string which is connected to lift is :-

When an oscillator completes $100$ oscillations its amplitude reduced to $ \frac{1}{3} $ of initial value. What will be its amplitude, when it completes $200$ oscillations?

What is the cause of ''Green house effect'' :-

A rod of length is 3 m and its mass acting per unit length is directly proportional to distance x from one of its end then its centre of gravity from that end will be at :-

A mass is suspended separately by two different springs in successive order then time periods is $t_1$ and $t_2$ respectively. If it is connected by both spring as shown in figure then time period is $t_0$, the correct relation is