Physics questions
20027 published questions with worked solutions.
- A monkey of mass 50 kg climbs on a rope which can withstand the tension (T) of 350 N. If monkey initially climbs down with an...
- If the initial velocity in horizontal direction of a projectile is unit vector i and the equation of trajectory is y = 5x(1 − x)....
- In an experiment of determine the Young's modulus of wire of a length exactly 1 m, the extension in the length of the wire is...
- When a car is approaching the observer, the frequency of horn is 100 Hz. After passing the observer, it is 50 Hz. If the observer...
- In the hydrogen spectrum, be the wavelength of first transition line of Lyman series. The wavelength difference will be "a " the...
- The dimension of mutual inductance is :
- A solid spherical ball is rolling on a frictionless horizontal plane surface about its axis of symmetry. The ratio of rotational...
- Given below are two statements: One is labelled as Assertion A and the other is labelled as Reason R. Assertion A: If we move...
- If is the density and is coefficient of viscosity of fluid which flows with a speed v in the pipe of diameter d, the correct...
- A bar magnetic having a magnetic moment of 2.0 10^ 5 JT^ -1 , is placed along the direction of uniform magnetic field of...Not in JEE Advanced syllabus
- A metallic conductor of length 1 m rotates in a vertical plane parallel to east-west direction about one of its end with angular...
- Which is the correct ascending order of wavelengths?
- For a specific wavelength 670 nm of light from a galaxy moving with velocity v, the observed wavelength is 670.7 nm. The value of...
- A metal surface is illuminated by a radiation of wavelength 4500 Å. The ejected photo-electron enters a constant magnetic field...
- A radioactive nucleus can decay by two different processes. Half-life for the first process is 3.0 hours while it is 4.5 hours...
- A sinusoidal wave y(t) = 40 (10 10^ 6 t) is amplitude modulated by another sinusoidal wave x(t) = 20 (1000 t). The amplitude of...Not in JEE or NEET syllabus
- A ball is projected vertically upward with an initial velocity of 50 ms^ -1 at t = 0 s. At t = 2 s, another ball is projected...
- A batsman hits back a ball of mass 0.4 kg straight in the direction of the bowler without changing its initial speed of 15 ms^ -1...
- A heat engine operates with the cold reservoir at temperature 324 K. The minimum temperature of the hot reservoir, if the heat...
- A set of 20 tuning forks is arranged in a series of increasing frequencies. If each fork gives 4 beats with respect to the...