Question

State two uses of a convex lens

Mention two uses of a concave mirror

what is white light​

Answer 1

Convex lens is used in microscopes and magnifying glasses to subject all the light to a specific point. Convex lens is used as a camera lens in cameras as they focus light for a clean picture.

Uses Of Concave Mirror

• Shaving mirrors.
• Head mirrors.
• Ophthalmoscope.
• Astronomical telescopes.
• Headlights.
• Solar furnaces.

White light is nothing but colorless daylight. This contains all the wavelengths of the visible spectrum at equal intensity. In simple terms, electromagnetic radiation of all the frequencies in the visible range of the spectrum, appearing white to the eye is called white light.

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Answer 2

Answer:

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Explanation:

CONVEX MIRROR

• used in street lamps
• used in reflector in cars

CONCAVE MIRROR

• shaving mirror
• used in headlights of car

WHITE LIGHT

White light is nothing but colorless daylight. This contains all the wavelengths of the visible spectrum at equal intensity. In simple terms, electromagnetic radiation of all the frequencies in the visible range of the spectrum, appearing white to the eye is called white light