List of top Physics Questions

A body of mass 5 kg is moving with a velocity of 10 m/s. What is its kinetic energy?
Two coaxial cylinders have radii \(\sqrt{2}R\) and \(2R\), with a rectangular plane placed parallel to their common axis. If the electric field exists in the space between the cylinders with dielectric constant \(K = 5\), find the total electric flux through the rectangular plane that lies in this region.
A mass \(2m\) collides elastically with a stationary mass \(m\). After collision, the angle \(\theta\) is formed between their velocities. Find the maximum possible value of \(\theta\).
Find the dimensional formula of the quantity \(\alpha\), given: \[ \alpha = \frac{S^2 \cdot \sigma}{k}, \quad S = \frac{\text{EMF}}{\text{time}},\quad \sigma = \text{electric conductivity},\quad k = \text{thermal conductivity} \]
Which of the following obeys Ohm's law?
The resistors 2\(\Omega\), 4\(\Omega\) and 6\(\Omega\) are connected in series. The equivalent resistance is:
The current in a wire depends on:
Solenoid behaves like a when current passes through it.
If the radius of curvature of a spherical mirror is 16 cm, then the focal length of the mirror is:
The geometric center of a spherical mirror is called:
How many times does a ray of light refract when it passes through a prism?
We get a diminished image with a concave mirror when the object is placed:
Which of the following is used in household circuits to prevent damages due to overloading?
The SI unit of resistivity is:
Lenz's law explains about:
The formula for power of a lens is:
The lens used to correct myopia is:
Electric motor converts:
Which law indicates this relation?
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The force on a current-carrying conductor placed in a magnetic field becomes zero, when it is:
The shape of the magnetic field lines around a straight wire carrying current is:
Which of the following is constant throughout a uniform magnetic field?
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: