Physics questions
20027 published questions with worked solutions.
- A scooter accelerates from rest for time t_1 at constant rate a_1 and then retards at constant rate a_2 for time t_2 and comes to...
- Given below are two statements : Statement I : A second's pendulum has a time period of 1 second. Statement II : It takes...
- The incident ray, reflected ray and the outward drawn normal are denoted by the unit vectors a , b and c respectively, Then...
- The volume V of a given mass of a monoatomic gas changes with temperature T according to the relation V = KT^ 2/3 . The workdone...
- If the highest frequency modulating a carrier is 5 kHz, then the number of AM broadcast stations accommodated in a 90 kHz...Not in JEE or NEET syllabus
- Two stream of photons, possessing energies equal to twice and ten times the work function of metal are incident on the metal...
- A particle executes S.H.M. with amplitude 'a' and time period T. The displacement of the particle when its speed is half of...
- 27 similar drops of mercury are maintained at 10 V each. All these spherical drops combine into a single big drop. The potential...
- Time period of a simple pendulum is T. The time taken to complete 5/8 oscillations starting from mean position is T. The value of...
- 1 mole of rigid diatomic gas performs a work of Q/5 when heat Q is supplied to it. The molar heat capacity of the gas during this...
- Consider the combination of 2 capacitors C_1 and C_2, with C_2>C_1, when connected in parallel, the equivalent capacitance is 15...
- A short straight object of height 100 cm lies before the central axis of a spherical mirror whose focal length has absolute value...
- An alternating current is given by the equation i = i_1 t+i_2 t. The rms current will be :
- The normal density of a material is and its bulk modulus of elasticity is K. The magnitude of increase in density of material,...
- A particle is moving with uniform speed along the circumference of a circle of radius R under the action of a central fictitious...
- A planet revolving in elliptical orbit has : (A) a constant velocity of revolution. (B) has the least velocity when it is nearest...
- Given below are two statements : one is labelled as Assertion A and the other is labelled as Reason R. Assertion A : Body 'P'...
- In a Young's double slit experiment two slits are separated by 2 mm and the screen is placed one meter away. When a light of...
- If two similar springs each of spring constant K_1 are joined in series, the new spring constant and time period would be changed...
- Given below are two statements : one is labelled as Assertion A and the other is labelled as Reason R. Assertion A : An electron...