MCQ- 24 ICSE Physics class 10 ch-2 Light

Class 10 - Light Quiz (Dispersion and Wavelength)

1. What causes the dispersion of light through a prism?

Different refractive indices for different colors
Shape of the prism
Density of air
Angle of prism

2. Which color bends the most in a prism?

Violet
Red
Green
Yellow

3. What does Newton's Disc demonstrate?

Combination of colors produces white light
Light travels in straight lines
Refraction of light
Reflection of light

4. Which color has the longest wavelength in visible light?

Red
Blue
Green
Violet

5. In which medium does light travel the fastest?

Vacuum
Glass
Water
Air

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