Tag: magic with mirrors

Quizzes (11) Questions (83)

Questions Related to magic with mirrors

Multiple choice evs magic with mirrors kaleidoscope uses of plane mirror reflected light can be reflected again

Shall a kaleidoscope work in a dark room?

  1. Yes

  2. No

  3. Sometimes

  4. Can't say
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

A kaleidoscope works on the principle of multiple reflections. In order to make the reflections occur, light enters a kaleidoscope through a hole. In a dark room, no light is present. So, no light will enter the kaleidoscope and no reflections will be seen. So, a kaleidoscope will not work in a dark room.

Multiple choice evs magic with mirrors kaleidoscope uses of plane mirror reflected light can be reflected again

If the tube of a kaleidoscope is filled with thick black smoke, the pattern:

  1. will change and will not be observable

  2. will not change and will not be observable

  3. will not change and will be observable

  4. will change and will be observable
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The pattern depends upon the positioning of the object and the mirrors. So, the pattern will not change. But, as the tube is filled with thick black smoke, no light will come out to the eye piece. So, the pattern will not be observable.

Multiple choice evs magic with mirrors kaleidoscope uses of plane mirror reflected light can be reflected again

When does the tumbling of coloured objects presents varying colours and patterns in kaleidoscope?

  1. When kaleidoscope tube is stood erect
  2. When kaleidoscope tube is tilted at $180^0$

  3. When kaleidoscope tube is rotated

  4. When kaleidoscope tube is inverted
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

When kaleidoscope tube is rotated then it forms different varying patterns and colours.

Multiple choice evs magic with mirrors kaleidoscope uses of plane mirror reflected light can be reflected again

What is Kaleidoscope?

  1. A cylinder with mirrors containing loose colored objects such as beads, pebbles, and bits of glass

  2. A cylinder with mirrors

  3. A cylinder containing loose colored objects such as beads, pebbles, and bits of glass

  4. None of the above
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

$Answer:-$ A option

A kaleidoscope is an optical instrument, typically a cylinder with mirrors containing loose, colored objects such as beads or pebbles and bits of glass. As the viewer looks into one end, lightening the other end creates a colorful pattern, due to repeated reflection in the mirrors.