Physics Quiz Set 1

Which of the following systems of units is not based on units of mass, length and time alone?

Mass is the measure of

Among the following the derived quantity is

The working principle of a washing machine is :

Newton’s laws of motion do not hold good for objects

A jet engine works on the principle of conservation of

Two objects of different masses falling freely near the surface of moon would

Which one among the following is the correct value of the gravitational force of the Earth acting on a body of mass 1 kg?

A geostationary satellite

In SONAR, we use

An oscilloscope is an instrument which allows us to see waves produced by

The sound travels fastest in

Two identical piano wires have same fundamental frequency when kept under the same tension. What will happen if tension of one of the wire is slightly increased and both the wires are made to vibrate simultaneously?

The polarity of an unmarked horse shoe magnet can be determined by using

The earth’s magnetic field is approximately

An electric lamp of 100 watt is used for 10 hours per day. The ‘units’ of energy consumed in one day by the lamp is

The main power supply in India is at 220 V, whereas that in the US is at 110 V. Which one among the following statements in this regard is correct?

Chadwick was awarded the 1935 nobel prize in physics for his discovery of the

The process of superimposing signal frequency (i.e., audio wave) on the carrier wave is known as

Electromagnetic radiations are emitted by which of the following?