Rays

Which of the following shows the principle of light refraction? Tick the correct answers.

• A

• B

• D

• E

• F

Tags

NGSS.MS-PS4-2

Which of the following shows the principle of light reflection? Tick the correct answers.

• A

• B

• D

• E

• F

Tags

NGSS.MS-PS4-2

The following diagram shows a driver who could see the image of a vehicle behind him without turning his back.

Why?

• Light travels in a straight line

• Light is refracted

• Light is reflected

• Light travels in two different mediums

Tags

NGSS.MS-PS4-2

fill in the blanks

• there is no object in the first one

• The light ray is going oposite way

• It is the right way

• non of the above

Tags

NGSS.MS-PS4-2

Explane the ray diagram

• Sun-ball-eye

• eye-ball-sun

• ball-sun-eye

Fill in the blanks

• non of the above

• no it does not travel in a straight line

• Light travels in a straight line

The ray of light that strikes a reflecting surface is called ________.

• incident ray

• reflected ray

• normal ray

• none of the above

Tags

NGSS.MS-PS4-2

If the angle of incidence is 45 degree, what is the angle between the incident ray and reflecting surface

• 45

• 90

• 180

• none of the above

Tags

NGSS.MS-PS4-2

Which type of ray is responsible for causing sunburns?

• Infrared rays

• Ultraviolet rays

• X-rays

• Gamma rays

What is the primary difference between X-rays and gamma rays?

• Wavelength

• Speed

• Color

• Temperature

Tags

NGSS.MS-PS4-1