Tag: kaleidoscope

Questions Related to kaleidoscope

Which of the following is true for kaleidoscope?

  1. Same pattern can't be seen twice

  2. Same pattern is seen after equal intervals

  3. Patterns are seen randomly

  4. No pattern seen


Correct Option: A
Explanation:

It is a specific property of kaleidoscope that same pattern can't be seen twice.

Artists use KALEIDOSCOPE for

  1. Entertaining themselves

  2. Getting ideas for new patterns

  3. Discovering new properties of light

  4. None of these


Correct Option: B
Explanation:

Artists  and designers use KALEIDOSCOPE to get ideas for new patterns.

Which of the following is(are) needed for making a KALEIDOSCOPE

  1. Bangles of black colour

  2. Black coloured wooden box

  3. Tiny colourful glass fragments

  4. None of these


Correct Option: C
Explanation:

Tiny colourful glass fragment specially bangle fragments are required to prepare a KALEIDOSCOPE

How many holes are there in a KALEIDOSCOPE:

  1. 1

  2. 2

  3. 5

  4. Cant be predicted


Correct Option: A
Explanation:

There is one small hole in the cover disc of KALEIDOSCOPE

How many plane mirrors are required for a kaleidoscope?

  1. 1

  2. 2

  3. 3

  4. 4


Correct Option: C
Explanation:

In a kaleidoscope tube, three rectangular plane mirrors of same size are placed such that the reflecting surfaces face each other. The mirrors are bound together by a string.

Designs of wallpapers and fabrics are obtained with the help of:

  1. periscopes

  2. kaleidoscopes

  3. telescopes

  4. microscopes


Correct Option: B
Explanation:

Beautiful patterns are obtained on rotating the tube of kaleidoscopes.

Minimum number of mirrors used in a kaleidoscope is:

  1. 1

  2. 2

  3. 3

  4. 4


Correct Option: B
Explanation:

A kaleidoscope is made of 2 or more mirrors set at certain angles to each other. The minimum number of mirrors used is 2. Generally, the number of mirrors used is 3.

Shall a kaleidoscope work in a dark room?

  1. Yes

  2. No

  3. Sometimes

  4. Can't say


Correct Option: B
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.

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


Correct Option: B
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.

What creates a colorful pattern through light entering the other end of Kaleidoscope?

  1. Refraction from mirrors

  2. Reflection from mirrors

  3. Diffraction from mirrors

  4. Deviation from mirrors


Correct Option: B
Explanation:

Colorful pattern created due to reflection caused by the mirrors which are placed at 60 degrees in Kaleidoscope.