List of top Physics Questions

Which of the following is the equation for given circuit as per Kirchoff's loop law?
Which of the following is the equation for given circuit as per Kirchoff's loop law
Multimeter can be used to measure
In an eye, muscular diaphragm between aqueous humour and the lens is called
The minimum distance of an object from the pole to obtain real image in case of a concave mirror is
A bulb is marked 60 W and 240 V. Find the resistance in the bulb.
In series connection of resistors, if one of the resistors breaks down, then
For a convex lens magnification of virtual image is possible only when the object distance is
What is lens maker's formula?
If a convex lens is placed in water, it's focal length
Every lens has ____ focal points.
Parallel beam of light after passing through a convex lens pass through a point called
If the focal length of a spherical mirror is 10 cm, what is the value of radius of curvature?
Which of the following is the formula for magnification in case of spherical mirror?
A potentiometer with a cell of 2.4 volts and internal resistance of 2 Ω maintains potential drop across the resistance wire AB of length 2 m and resistance 10 Ω. A standard cell that maintains a constant EMF of ‘V’ volt with an internal resistance of 0.2 gives a balance point at 1.6 M length of the wire. The value of EMF of the second (standard) cell(V) is:
If \( R \) and \( C \) denote resistance and capacitance of a material, then the dimension of \( CR \) will be
Charge on electron is
From a circular disc of radius \( R \), a square is cut out with a radius as its diagonal. The centre of mass of the remaining portion is at a distance (from the centre)
A bat emitting an ultrasonic wave of frequency \( 4.5 \times 10^4 \, \text{Hz} \) at speed of \( 6 \, \text{m/s} \) between two parallel walls. The two frequencies heard by the bat will be
The average kinetic energy of a molecule in air at room temperature of 20\(^\circ\)C
A galvanometer having a resistance of 4 \( \Omega \) is shunted by a wire of resistance 2 \( \Omega \). If the total current is 1.5 A, the current passing through the shunt is
A raft of density 600 g/m\(^3\) and mass 120 kg floats in water. How much weight can be put on the raft to make it just sink?
An alternating voltage \( V = 200\sin(100t) \) is applied to a series combination of \( R = 30\Omega \) and an inductor of \( 400 \, \text{mH} \). The power factor of the circuit is,
The height at which the acceleration due to gravity becomes \( \frac{g}{16} \) (where \( g \) is the acceleration due to gravity on the surface of the earth) in terms of \( R \), if \( R \) is the radius of the Earth.
In Young's double slit experiment, the two slits are separated by 0.2 mm and they are 1m from the screen. The wavelength of the light used is 500 nm. The distance between 6th maxima and 10th minima on the screen is closest to
With what minimum acceleration can a fireman slide down a rope while breaking strength of the rope is \( \frac{2}{3} \) of the weight?