MATTER AND LIGHTS

Multiple Choice

What is the best description of an opaque material?

• no light passes through the material

• some light passes through the material

• all light passes through the material

Multiple Choice

What is the best description of a transparent material?

• no light passes through the material

• some light passes through the material

• all light passes through the material

Multiple Choice

What is the best description of a translucent material?

• no light passes through the material

• some light passes through the material

• all light passes through the material

Multiple Choice

Which pictures shows a translucent image?

Multiple Choice

What type of object is shown in the picture?

• opaque

• transparent

• translucent

Multiple Choice

What type of object is a mirror considered?

• opaque

• transparent

• translucent

Multiple Choice

What happens to create a rainbow?

• light reflects off of water droplets

• light transmits through water droplets

• light is absorbed by water droplets

Multiple Choice

What image show light being reflected?

Multiple Choice

What image show light being absorbed?

Multiple Choice

What image show light being transmitted?

Multiple Choice

Why the sky look blue during midday and red during sunset

• Reflection of light

• Refraction of light

• Dispersion of Light

• Scattering of Light

Multiple Choice

When light passes at an angle to the normal from one material into another material in which its speed is higher 

• it is bent toward the normal.
• it always lies along the normal.
• it is unaffected.
• it is bent away from the normal.

Multiple Choice

What direction will this light ray bend after it is refracted?

Multiple Choice

Why does this the t-shirt appear red and the shorts appear blue?

• The t-shirt reflects red light, the shorts reflect green light, other colours are absorbed.
• The t-shirt reflects blue light, the shorts reflect red light, other colours are absorbed.
• The t-shirt reflects red light, the shorts absorb yellow light, all other colours are reflected
• The t-shirt reflects red light, the shorts reflect blue light, other colours are absorbed.

Multiple Choice

Two objects (A and B) are placed on a table. Object A reflects red light and absorbs all other colors, while object B reflects green light and absorbs all other colors.

What colors will the objects appear through a green filter?

• Object A will appear red, and object B will appear green.

• Object A will appear black, and object B will appear white.

• Object A will appear black, and object B will appear green.

• Object A will appear green, and object B will appear red.

Multiple Choice

An object appears green under green light, blue under blue light, and red under red light. What is the likely color of the object?

• red, blue, and green

• red

• white

• black

Multiple Choice

What direction will this light ray refract?

Multiple Choice

The image will ...

• be real and large

• be virtual and large

• not exist

• be real and small

Multiple Choice

What type of lens is being used here?

• convex

• concave