Light

How many colors are there in a Rainbow?

• Seven

• Six

• Eight

• Five

Which seven colors are there in a Rainbow?

• VIBGYOR

• VIBGOR

• VIGYOR

• BGRYOI

Which mirror is called a Converging mirror?

• Convex

• Diverging

• Concave

• Converging

Which image is formed in a convex mirror?

• The image formed in a convex

  mirror is bigger and always virtual

  and erect, whatever be the position

  of the object.

• The image formed in a convex

  mirror is smaller and always virtual

  and erect, the position should be at 90 degrees.

• The image formed in a convex

  mirror is smaller and always virtual

  and same, whatever be the position

  of the object.

• The image formed in a convex

  mirror is smaller and always virtual

  and erect, whatever be the position

  of the object.

Does light travels in a straight line?

• Yes.

• No.

• Not very sure.

• Don't know.

Which image is formed by concave mirror?(Select 2 Options)

• Virtual Image.

• Real Image.

• Erect Image.

• Inverted.

What do you mean by rectilinear propagation of light?

• Rectilinear propagation of light is the property of light due to which it travels in a straight line.

• Rectilinear propagation of light is the property of light due to which it travels in a curved line.

• Rectilinear propagation of light is the property of light due to which it does not travel only.

• Propagation is not a property.

Define reflection.

• The phenomenon of bouncing back of light in the same large on striking the surface of any object is called reflection.

• The phenomenon of bouncing back of light in the same medium on striking the surface of any object is not called reflection.

• The phenomenon of bouncing back of light in the same medium on the surface of any object is called reflection.

• The phenomenon of bouncing back of light in the same medium on striking the surface of any object is called reflection.

What are transparent objects?

• Those objects that allow the

  light pass through them

  partially.

• Those objects that allow the

  light pass through them

  completely.

• Those objects that do not allow the

  light pass through them

  completely.

David is observing his image in a plane mirror. The

distance between the mirror and his image is 4 m. If he moves 1 m towards the mirror, then the distance between David and his image will be _______.

• 3m

• 5m

• 6m

• 8m