निम्नलिखित

What is the colour of neutral wire?

1) Red

2) Green

3) Black

4) Yellow

Which material is primarily responsible for the elasticity found in leggings and athletic apparel?

Which of the following instruments is used to measure humidity?

One Kilowatt hour is equal to—

UNO was established on?

Which of the following physical quantities is scalar quantity ?   

Which pioneer scientist used radio waves to transmit signals over distances of several kilometres in the 1890s?

The SI unit of Pressure is

What is the power of a lens whose focal length is 1 m?

Temperature of the Sun is measured by?