Blue shift is observed in which of the following?

• Galaxies moving away

• Galaxies moving closer

• Galaxies not moving at all

• None of the above

The big bang ​ is ​ ​ (a)   of the universe?

• Expansion
• Explosion
• Shrinkage
• None of the above

Red shift is observed in which of the following?

• Galaxies moving away

• Galaxies moving closer

• Galaxies not moving a all

• None of the above

Who is the proponent of the general theory of relativity?

• Aristotle

• Einstein

• Newton

• Maxwell

An observer sees a rocket ship that moves close to the speed of light. What does he observe regarding the mass of the ship?

• The mass contracts

• The mass dilates

• The mass does not Change

• The mass stretches

In the Newtonian mechanics, how is light believed to behave?

• The speed of light cannot be determined

• The speed of light changes depending o the motion of the source

• The speed of light is constant

• The speed of light varies

He proved the existence of radiowaves in the late 1800’s

• Faraday

• Franklin

• Hertz

• Maxwell

He described the electrostatic force of attraction and repulsion?

• Ampere

• Bio-savart

• Coulomb

• Oersted

It is also called a parhelion and is the atmospheric optical phenomenon that consists of a bright spot to one o both sides of the Sun.

• Haloes

• Mirages

• Rainbows

• Sundogs

The atmosphere scatters which of the following waves the most?

• Blue

• Green

• Orange

• Yellow