Basic Concepts of Physics

Gamma

infrared

Microwave

ultraviolet

Rises

Does not change

Falls down

None of these

Wavelength

Target material

Frequency

None of these

It is shutting out light beams to create a darkened void.

It is using the color spectrum to see if stars are moving away from Earth.

It is how things that do not give off light are colored

None of these

One

Two

Four

Infinite

Solar energy

A laser

Plasma

Cosmic rays

Seven rays of light (VIBGYOR)

Three rays of red, blue and green light respectively

One ray of white light

None of these

One sound

Two sounds

Infinite sounds

No sound

Excitation

De-excite

Ionization

None of these

Red

Yellow

Black

Blue