CameraIcon

SearchIcon

MyQuestionIcon

9

You visited us 9 times! Enjoying our articles? Unlock Full Access!

Radiation

Which of the ...

Question

Which of the following is true regarding radiation?

A

Thermal blankets reflect the body heat back, thereby trapping it inside

No worries! We‘ve got your back. Try BYJU‘S free classes today!

B

Thermal blankets absorb heat from cold surroundings

No worries! We‘ve got your back. Try BYJU‘S free classes today!

C

Thermal blankets don't work

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

D

None of the above

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is C
Thermal blankets don't work

Radiation can travel irrespective of the presence or absence of medium. Heat transfer takes place through electromagnetic waves.

Suggest Corrections

thumbs-up

0

Similar questions

Q. Polyurethane is quite good for cold weather for jackets and blankets. However, thermal emergency blankets or space blankets are often made up of something similar to aluminum foil and used by astronauts to avoid hypothermia when stuck in subzero temperature. Why do you think it is a good choice?

Q. Assertion :Two thin blankets put together are warmer than a single blanket of double the thickness. Reason: Air gets trapped between two blanket which is a bad conductor of heat.

Q. 12. Consider the following statements:
Assertion: Two thin blankets are warmer than a thick blanket
Reasoning: Air in between the two thin blankets helps in heat retention.

Blankets of which of the following places are famous ________________.

Q. Why do two thin blankets make us feel warmer than one thick blanket?

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Radiation_tackle

PHYSICS

Watch in App

explore_more_icon

Explore more

Standard VII Physics

Join BYJU'S Learning Program

CrossIcon