List of top Physics Questions

The formula of capacitative reactance is
For the same resonant frequency, if \( L \) is changed from \( L \) to \( \frac{L}{3} \), then capacitance should change from \( C \) to
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?
The angle of projection with the horizontal in terms of maximum height attained and horizontal range is given by
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 a lens is 25 cm. Its power is___
A convex lens form image of an object at infinity. Object is at
Focal length of plano-convex lens of refractive index n and radius of curvature R 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 =
\(4 \Omega, 8 \Omega, R\) resistors are connected in series. Resultant resistance is \(20 \Omega\). Then \(R=?\)
The alloy made of Cu, Mn, Ni is
When how much current flows in the fuse, it melts ?
The resistance of human body varies between
Least distance of distinct vision is_____
Object distance (u), image distance (v), focal length (f) are all measured from
In our eye cones identify
Which part of our eye is responsible for image formation?
With the help of _____eye-lens changes its focal length.
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
When a copper wire is connected to a battery the electric field in the wire is
The current in a conductor is directly proportional to the potential difference between its ends. This is called____
A current through a conductor is 2A, when there is a potential difference of 10V between its ends. Its resistance is