Which is true regarding radiation? – McqOptions

MCQOPTIONS

1.	Which is true regarding radiation?
A.	Radiation travels only in medium
B.	Radiation travels without any medium
C.	Radiation travels in medium but sometimes without medium
D.	Radiation travels in medium or without medium
Answer» E.

Discussion

No Comment Found

Related MCQs

Radiation emitted by a black surface is a function of wavelength and temperature but is independent of direction.
For a prescribed wavelength a black body radiates how much energy at the temperature of body?
The electromagnetic waves are emitted as a result of(i) Vibrational movement(ii) Rotational movement(iii)Atomic or sub-atomic particles comprising the matterIdentify the correct statement
FOR_A_PRESCRIBED_WAVELENGTH_A_BLACK_BODY_RADIATES_HOW_MUCH_ENERGY_AT_THE_TEMPERATURE_OF_BODY??$
Radiation_emitted_by_a_black_surface_is_a_function_of_wavelength_and_temperature_but_is_independent_of_direction.$
What is the wavelength band for cosmic rays?
A perfectly black body
Thermal radiations occur in the portion of electromagnetic spectrum between the wavelengths
Energy released by a radiating surface is not continuous but is in the form of successive and separate packets of energy called
Radiation exchange occurs in