List of top Physics Questions

The correct arrangement in increasing order of wavelength of X-rays, UV rays, and microwaves is
For an ideal gas, coefficient of volume expansion is given by
The angle of projection with the horizontal in terms of maximum height attained and horizontal range is given by
Two converging lenses of focal length 20 cm and 40 cm are placed in contact. The effective power of the combination is
The formula of capacitative reactance is
The displacement \( x \) of a particle varies with time \( t \), \( x = ae^{-pt} + be^{qt} \), where \( a, b, p, q \) are positive constants. The velocity of the particle will
Which of the following quantity represents the dimensions of momentum?
For the same resonant frequency, if \( L \) is changed from \( L \) to \( \frac{L}{3} \), then capacitance should change from \( C \) to
In an adiabatic process with the ratio of two specific heat, \( \gamma = \frac{3}{2} \), pressure is increased by \( \frac{2}{3} \% \), then decrease in the volume will be
Insulators can be charged by which of the following process?
Focal length of plano-convex lens of refractive index n and radius of curvature R is
A convex lens form image of an object at infinity. Object is at
Focal length of a lens is 25 cm. Its power is___
The alloy made of Cu, Mn, Ni is
Formula used when a light ray enters a medium of refractive index n2 from a medium of refractive index n1 at curved surface with radius of curvature R is
Conductivity =
Least distance of distinct vision is_____
\(4 \Omega, 8 \Omega, R\) resistors are connected in series. Resultant resistance is \(20 \Omega\). Then \(R=?\)
When how much current flows in the fuse, it melts ?
The resistance of human body varies between
Object distance (u), image distance (v), focal length (f) are all measured from
A bird is flying down vertically towards the surface of water with constant speed. A fish in the water vertically below the bird sees the bird
In our eye cones identify
When a person is suffering from both Myopia and Hypermetropia, which should be used ?
\(\frac{\text{Force} \times \text{Length}}{\text{Charge}}=\)which quantity ?