Physics questions
20027 published questions with worked solutions.
- A parallel beam of monochromatic light of wavelength 5000 Å is incident normally on a single narrow slit of width 0.001 mm. The...
- Given below are two statements: Statement-I: Viscosity of gases is greater than that of liquids. Statement-II: Surface tension of...
- 0.08 kg air is heated at constant volume through 5°C. The specific heat of air at constant volume is 0.17 kcal/kg°C and J = 4.18...
- Identify the physical quantity that cannot be measured using spherometer :
- Position of an ant (S in metres) moving in Y-Z plane is given by S = 2t^2 j + 5 k (where t is in second). The magnitude and...
- An electric charge 10^ -6 C is placed at origin (0, 0) m of X – Y co-ordinate system. Two points P and Q are situated at ( 3, 3)...
- A proton moving with a constant velocity passes through a region of space without any change in its velocity. If E and B...
- The average kinetic energy of a monoatomic molecule is 0.414 eV at temperature : (Use K_B = 1.38 10^ -23 J/mol-K)
- A rectangular loop of length 2.5 m and width 2 m is placed at 60° to a magnetic field of 4T. The loop is removed from the field...
- A train is moving with a speed of 12 m/s on rails which are 1.5 m apart. To negotiate a curve of radius 400 m, the height by...
- If the refractive index of the material of a prism is ( A2 ), where A is the angle of prism then angle of minimum deviation will...
- A wire of length 10 cm and radius 7 10^ -4 m is connected across the right gap of a meter bridge. When resistance of 4.5 Ω is...
- The acceleration due to gravity on the surface of earth is g. If the diameter of earth reduces to half of its original value and...
- A body of mass 1000 kg is moving horizontally with a velocity 6 m/s. If 200 kg extra mass is added, the final velocity (in m/s)...
- A plane electromagnetic wave propagating in x-direction is described by E_y = (200 Vm ^ -1 ) [1.5 10^7 t - 0.05x]; The intensity...
- Given below are two statements: Statement (I): Planck's constant and angular momentum have same dimensions. Statement (II):...
- A convex lens of focal length 40 cm forms an image of an extended source of light on a photoelectric cell. A current I is...
- Four particles each of mass 1 kg are placed at four corners of a square of side 2 m. Moment of inertia of system about an axis...
- A particle executes simple harmonic motion with an amplitude of 4 cm. At the mean position, velocity of the particle is 10 cm/s....
- In a nuclear fission process, a high mass nuclide (A = 236) with binding energy 7.6 MeV/Nucleon dissociated into middle mass...