Physics ch 15 light

What is a polished surface, plane or curved called ?

• Wood

• Mirror

• Teeth

• Nails

You are standing at a distance of 1m from a plane mirror. What is the distance between you and your image

• 3

• 2

• 1

• 4

What kind of image cannot be obtained on a screen

• Virtual image

• Real image

Which one shows lateral inversion

• Plane mirror

• Concave mirror

• Convex mirror

• All of these

Light always travel in a straight line?

• True

• False

An erect and enlarged image can be formed by

• Only on concave mirror

• Only on convex mirror

• Only on plane mirror

• All of these

The inner surface of a steel spoon act as a ________

• Plane mirror

• Concave mirror

• Convex mirror

What is the Ray of light falling on a polished surface called?

• Plane mirror

• Reflected ray of light

• Incident ray of light

What are the 7 colours of rainbow ?

• Red, orange, yellow, green, blue, indigo and violet

• Indigo, violet, blue, green, pink, red and yellow

• Red, blue, orange, green, yellow, indigo, violet and purple

What is magnifying glass?

• A disc divided into sector of proper relative dimensions bearing the different colours of the spectrum

• The electromagnetic radiation with wavelengths between 380 and 750 NM

• Magnifying glass is a convex lens that is used to produce a magnified image of an object

• Temperature is the measure of hotness or coldness