List of top Physics Questions asked in MHT CET

In a Young's double-slit experiment, the distance between the slits is $ 0.2 \, \text{mm} $ and the distance between the screen and the slits is $ 2 \, \text{m} $. If the wavelength of the light used is $ 600 \, \text{nm} $, calculate the distance between the two adjacent bright fringes.

A gas occupies a volume of 10.0 L at a pressure of 2.0 atm and a temperature of 300 K. What will the volume be if the pressure is increased to 4.0 atm and the temperature is increased to 600 K? (Assume the amount of gas remains constant.)

A radioactive substance has a half-life of 5 years. What is the probability that a single atom of this substance will decay within 5 years?

In the case of a particle in a one-dimensional infinite potential well (box), what is the probability of finding the particle in the first half of the box for the ground state?

For a system of particles in thermal equilibrium, what is the probability that a particle will have energy greater than $ E_0 $ according to the Boltzmann distribution?

A coil of 100 turns, carrying a current of $ 5 \, \text{A} $, is placed in a magnetic field of $ 2 \, \text{T} $. The area of each turn is $ 0.01 \, \text{m}^2 $. What is the magnetic moment of the coil?

A satellite is orbiting the Earth at a height of $ 10^4 \, \text{km} $ above the Earth's surface. If the radius of the Earth is $ 6.4 \times 10^6 \, \text{m} $, calculate the orbital speed of the satellite. (Gravitational constant $ G = 6.67 \times 10^{-11} \, \text{N} \cdot \text{m}^2/\text{kg}^2 $ and Earth's mass $ M = 6 \times 10^{24} \, \text{kg} $)

In an LC circuit, the inductance $ L $ is $ 2 \, \text{H} $ and the capacitance $ C $ is $ 4 \, \mu\text{F} $. What is the frequency of oscillation of the circuit?

An object is dropped from a helicopter flying horizontally at 360 km/h. It falls from a height of 2 km and reaches the ground in 20 seconds. What is the displacement of the package relative to the helicopter's position when it was dropped?

A current of $ 2 \, \text{A} $ flows through a conductor for 10 minutes. What is the total charge that flows through the conductor?

What is the resistance of a wire of length $ L = 2 \, \text{m} $ and cross-sectional area $ A = 1 \times 10^{-6} \, \text{m}^2 $ made of a material with resistivity $ \rho = 1.5 \times 10^{-7} \, \Omega \, \text{m} $?

A stone is thrown horizontally from the top of a tower with a speed of $ 10 \, \text{m/s} $. If the height of the tower is $ 45 \, \text{m} $, how much time will the stone take to reach the ground?

A lens has focal length $ f = 20 \, \text{cm} $. What is the power of the lens?

A 2 $\text{kg}$ mass is attached to a spring with spring constant $ k = 200, \text{N/m} $. If the mass is displaced by $ 0.1, \text{m} $, what is the potential energy stored in the spring?

A 10 $\mu\text{C}$ charge is placed in an electric field of $ 5 \times 10^3 \text{N/C} $. What is the force experienced by the charge?

A 5 $\Omega$ resistor and a 10 $\Omega$ resistor are connected in parallel. What is the equivalent resistance of the combination?

A body of mass $ 1.5 \, \text{kg} $ is dropped from a height of $ 20 \, \text{m} $. What is its speed just before hitting the ground? (Assume $ g = 9.8 \, \text{m/s}^2 $)

A metal rod of length $ L = 0.8 \, \text{m} $ is rotating about its center with an angular velocity $ \omega = 10 \, \text{rad/s} $. What is the linear velocity of a point on the rod at a distance $ r = 0.4 \, \text{m} $ from the center?

A car travels at a speed of $ 72 \, \text{km/h} $. What is the car's speed in meters per second?