Question

Write True or False.
1. Kaleidoscope is used to detect objects at different heights.
2. A periscope shows beautiful patterns due to multiple reflections
3. In periscope, two plane mirrors are fitted at an angle of 45°.
4. The splitting of light into seven colours is called dispersion
5. The sunlight is made up of yellow colour.​

Answer 1

Answer:

1. true
2. false
3. true
4. true
5. false

Answer 2

Answer:

a:-True

b:-false

c:-false

d:-True

e:-false