List of top Physics Questions

A watch repairer uses a magnifying glass to see the tiny parts of a watch. Which of the following lenses is used?
Which of the following works on the principle of electromagnetic induction?
Which of the following is the lens maker's formula?
The focal plane of a lens is a plane:
The heat produced in a \( 4 \, \Omega \) resistor when an electric current of \( 5 \, A \) flows in it for \( 2 \) seconds is
A person can see distant objects clearly but cannot see nearby objects distinctly. The person is suffering from:
A ball is projected vertically up with speed \( V_0 \) from a certain height H. When the ball reaches the ground the speed is \( 3V_0 \). The time taken by the ball to reach the ground and height H respectively are (g = acceleration due to gravity)
The blue colour of clear sky is due to
Advance sunrise and delayed sunset are due to
The formation of a rainbow in the sky involves:
The band of the coloured components of a light beam is called its
The defect myopia can be corrected by using a:
The minimum distance at which the objects can be seen most distinctly without strain is called
The amount of light entering the eye is regulated and controlled by the
The delicate membrane having enormous number of light sensitive cells is:
An object is placed at a distance of $ 30 \, cm $ from a concave lens of focal length $ 20 \, cm $. The image distance is:
An object placed between the principal focus and center of curvature of a convex lens forms an image:
If the height of the image is equal to the height of an object placed near a spherical lens, then the magnification $ m $ is
The power of a lens is $ 4 \, D $. Its focal length is
The focal length of a spherical mirror is $ 10 \, cm $. Its radius of curvature is:
Identify the wrong statement among the following:
SI unit of electrical resistivity is
Which of the following is an insulator?
The image formed by a plane mirror is always:
The distance between the pole and the principal focus of a spherical mirror is called: