Question 1

Which quantity requires both magnitude and direction for complete description?

Accepted Answer

Velocity

Question 2

Stefan's law of radiation relates to which of the following?

Accepted Answer

Total radiation emitted is proportional to the fourth power of absolute temperature

Question 3

Which instrument is used to determine the purity of milk?

Accepted Answer

Lactometer

Question 4

On which principle does a thermoelectric thermometer (Thermocouple) work?

Accepted Answer

Seebeck effect

Question 5

Which physical quantity has only magnitude and no direction?

Accepted Answer

Speed

Question 6

Up to which temperature can a Nitrogen gas thermometer measure temperature?

Accepted Answer

Up to 1500°C

Question 7

Which instrument measures pressure of gas?

Accepted Answer

Manometer

Question 8

Which gas thermometer is used for temperatures below -200°C?

Accepted Answer

Helium gas thermometer

Question 9

Which of the following is not a scalar quantity?

Accepted Answer

Velocity

Question 10

Which gas thermometer is used for measuring temperatures between -200°C and 500°C?

Accepted Answer

Hydrogen gas thermometer

Science One Liner Questions with Answers

Which gas thermometer is used for measuring temperatures between -200°C and 500°C?