Choose the correct statements from the following. A. Like light waves, thermal radiations are also electromagnetic radiation. Choose the correct answer from the options given below: |
A, B and D only A, B, C and E only B, D and E only C, D and E only |
A, B, C and E only |
The correct answer is Option (2) - A, B, C and E only (A) Thermal radiation is a type of electromagnetic radiation that is emitted by all matter that has a temperature above absolute zero. (B) EM waves can travel in vacuum but mechanical waves cannot do so. As EM waves do not require a medium to propagate. (C) Yes, gamma rays are more energetic than X-rays. Also, gamma rays have the highest energy. |