Gaganyan is set to be launched by ISRO in 2023, Identify

Which of the following is the least penetrating power rays ?

The device used for locating submerged objects under sea is –

Which of the following instruments is used to measure humidity?

This relationship between the angles of incidence and refraction and the indices of refraction of the two media is known as ________.

‘Therm' is the unit of –

Which of the following layers of the atmosphere makes Radio Communication possible?

Which of the following circuit elements is used to 'block' DC in an electronic circuit?

Which of the following is equal to a measurement of 1 mA?

What is the audible frequency range?

What is the descending order of these radiations based on their frequencies?