Advertisements
Advertisements
प्रश्न
Higher Order Thinking Skills.
Light ray emerges from water into air. Draw a ray diagram indicating the change in its path in water.
Advertisements
उत्तर
When a ray of light travels from dense medium to rarer medium [from water medium to air medium], light ray moves away from the normal.
∴ Angle of incidence < Angle of refraction.
APPEARS IN
संबंधित प्रश्न
Write true or false of the following statement.
The speed of light in vacuum is 3 × 108 ms-1.
State whether light slows down or speeds up in the following cases :
Light going from air to glass.
State whether light slows down or speeds up in the following cases :
Light going from water to air.
When light travels from a denser to a rarer medium, its speed ______.
The speed of light is maximum in ______.
Numerical problem.
Light enters from air into a glass plate having refractive index 1.5. What is the speed of light in glass? (Ans: 2 × 108 ms–1)
Light travels ______ kilometers per second in air or vacuum. In theory, nothing can travel faster than light.
Objects that allow light to pass through partially are called ______ material.
Materials that allow light to pass through completely are known as transparent materials.
Light is one of the slowest traveling energy with a speed of 3 × 10-8ms-1
