List of top Physics Questions

The force acting on the particle of 0.2 kg mass whose displacement is described by the equation \( x = 3t + 7t^2 \, \text{m} \)
The magnetic moment of an electron revolving in an orbit of 0.5 m radius with a velocity of \( 8 \times 10^7 \, \text{m/s} \) is (in \( \text{Am}^2 \))
If an electron moves with a velocity \( v \) in a magnetic field \( B \), the magnetic force on the electron is maximum when the angle between \( v \) and \( B \) is
The work done to lift a 60 kg mass to a height of 5 m from the ground is (g = 10 m/s\(^2\))
The angular momentum of the electron revolving in the 2nd orbit is
Three particles of equal mass lie at distances of 1 cm, 2 cm, and 3 cm from the origin. The distance of their center of mass from the origin is
If \( \frac{C_p}{C_v} \) is unity for a process, \( PV^{\gamma} = \text{constant} \), then the process is:
A body is rotated about a fixed axis. Which of the following is correct about angular velocity?
The dimension of \( \lambda \times t \) (decay constant \(\lambda\) multiplied by time \(t\)) is:
Arrange the following in the order of conductivity: Na, Ag, Fe, Cu
Moment of inertia of a disc about the axis passing through the center and perpendicular to the plane is \(I_1\). What is the moment of inertia about its diameter?
When a body is dropped from height H, the time taken to reach the ground is T. What is the time taken to reach height H/2 from the ground?
An equiconvex lens of power P is cut perpendicular to its principal axis, into 2 equal parts, power of each part?
Which of the following is incorrect?
Find the magnetic field inside a solenoid having number of turns 7000, length 1m, and current 1 A.
Monochromatic light passing through a prism doesn't produce:
Energy dissipated per unit time by a wire of resistance \(2R\) connected to a 2V battery.
Find the magnification of a lens having focal length 5 cm (Least distance of distinct vision = 25 cm).
A ball of mass 10g is dropped from a height of 50m. If 30J energy is lost due to air resistance, then what is the velocity of the ball when it hits the ground?
Highest limiting conductance at 298 K is:
What is the ratio of gyration of ring and disc?
Metal in Wilkinson's catalyst?
Vibration of atoms and molecules produce electromagnetic radiation in the region of:
To have the same RMS value as that of hydrogen at 30K, what will be the temperature of the oxygen molecule?
Young's modulus and shear modulus are applicable for: