List of top Physics Questions

The delicate membrane having enormous number of light sensitive cells is:
The amount of light entering the eye is regulated and controlled by the
The minimum distance at which the objects can be seen most distinctly without strain is called
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:
A diminished, virtual and erect image is formed by a
The mirror used by a dentist to see a large image of the teeth of the patients is
A ray of light travelling in air enters obliquely into water. This light ray
The focal length of a spherical mirror is \( 10 \, cm \). Its radius of curvature is:
In an electric circuit, the device used to prevent damage to the electrical appliances due to overloading is:
One kilowatt hour is equal to
The power of an electric motor that takes \( 5 \, A \) electric current from a \( 220 \, V \) transmission line is:
The direction of force on a current carrying conductor in a magnetic field is given by
One coulomb is equivalent to the charge contained in nearly
The device used to measure electric current in a circuit is called:
SI unit of electrical potential difference is
A continuous and closed path of an electric current is called an