Kaleidoscope

Q.

What is polarization by reflection and Brewsters law?

Q.

What are multiple reflections?

Q. Define a kaleidoscope.

Q.

Reflected light can be reflected again.This principle is used in the which of the following instruments?

1. Telescope

2. Microscope

3. Periscope

4. Gyroscope

Q.

The colours in a rainbow are labelled as:

1. VIBGYRO

2. VIBGYOR

3. VIBYORG

4. VIBYOGR

Q.

What is S and P polarized light?

Q. A ______ uses mirrors to produce images using multiple reflection property.

1. binocular
2. telescope
3. microscope
4. kaleidoscope

Q. Take a empty tooth paste box and two mirror strips of required size and make a periscope.

Q. What is a kaleidoscope

Q. Auses the phenomenon of multiple reflections to create beautiful images.

1. Telescope
2. Microscope
3. Kaleidoscope

Q.

1. State which of the following collections are sets:

(ii) collection of four colours of a rainbow

Q.

What colour of light is obtained when we mix beams of light of all colour?

1. White

2. Blue

3. Green

4. Black

Q.

Write the following in Roster form.

$R=$ The set of colors of the rainbow.

Q.

List the elements of $A\cap B$, if $A=\{$ colours of rainbow $\},B=\{$ Black, Purple, Violet, Green $\}$.

Q. A __________ is an optical instrument used to produce changing colour patterns.

1. telescope
2. periscope
3. kaleidoscope
4. camera

Q.

Specify each of the following sets in the Roster form:

The set of colors of a rainbow.

Q. Kaleidoscope uses the concept of _____ of light.

1. multiple reflections
2. refraction
3. dispersion
4. single reflection