List of top Physics Questions

Two wires A and B are stretched by the same load. If the area of cross-section of wire 'A' is double that of 'B', then the stress on 'B' is
A uniform chain of mass $m$ and length $l$ is on a smooth horizontal table with $\left( \frac{1}{n}\right)^{th}$ part of its length is hanging from one end of the table. The velocity of the chain when it completely slips off the table is
A carbon resistor of (47 ± 4.7) kΩ is to be marked with rings of different colours for its identification. The colour code sequence will be
Give $\vec{P} = 2 \hat{i} - 3 \hat{j} + 4 \hat {k}$ and $\vec{Q} = \hat{j} - 2 \hat {k} $ The magnitude of their resultant is.
Orested is the unit of :
The charge of electron is :
Voltmeter in a circuit is connected in :
Magnetic field inside a long straight solenoid carrying current :
The speed of light is :
The coil of a solenoid is made from :
The phenomenon of splitting of white light through prism into a band of colours is called :
The change in focal length of an eye lens is caused by the action of :
What kind of mirror would be best suited for use in Solar Cooker ?
A Solar water heater cannot be used to get hot water on :
A current of 0.5 ampere is drawn by a filament of an electric bulb for 10 minutes. Find the amount of electrical charge :
A generator converts :
Which of the following is not an example of a bio mass energy source ?
Unit of electrical current is :
Name the two phenomenon involved in the formation of rainbow :
Stars twinkle due to :
At the time of short circuit the current in the circuit :
An electric bulb is connected to a 220 V generator. The current is 0.50 A. What is the power of bulb ?
The electric device used for producing electric current is called a :
S. I. unit of power of lens is :
The range of vision of a normal human eye is from :