List of top Physics Questions

Which of the following is constant throughout a uniform magnetic field?
A watch repairer uses a magnifying glass to see the tiny parts of a watch. Which of the following lenses is used?
When a convex lens is placed in water, its focal length:
A prism is made with a material of refractive index \( \mu = 2 \). The angle of prism is 60°. The angle of minimum deviation produced by the prism is:
An air bubble in water behaves like:
The focal plane of a lens is a plane:
Which of the following is the lens maker's formula?
Which of the following works on the principle of electromagnetic induction?
The heat produced in a \( 4 \, \Omega \) resistor when an electric current of \( 5 \, A \) flows in it for \( 2 \) seconds is
Highest limiting conductance at 298 K 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)
Minimum wavelength of Brackett series corresponds to transition from $ n_1 $ to $ n_2 $, where $ n_1 $ and $ n_2 $ are respectively...
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 amount of light entering the eye is regulated and controlled by the
The delicate membrane having enormous number of light sensitive cells is:
The minimum distance at which the objects can be seen most distinctly without strain is called
The power of a lens is $ 4 \, D $. Its focal length 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