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Sir please explain concave or convex lense

Posted by Vanshika Bhawsar 5 years, 5 months ago

CBSE > Class 10 > Science

5 answers

Lover ?? 5 years, 5 months ago

Concave lens: 1) It has both surfaces curving inwards. 2) It is thicker at edges and thinner at middle. 3) It diverges the light coming towards it. 4) Its focal length is negative. 5) It always produces a virtual image. Convex lens: 1) It has both surfaces curving outwards. 2) It is thicker at middle and thinner at the edges. 3) It converges the light coming towards it. 4) Its focal length is positive. 5) It always produces a real image and forms a virtual image only when the object is between the focus and optical centre.

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? Pranali.A.P ? 5 years, 5 months ago

The lens which disperses the light rays around, that hits the lenses, are called a concave lens. In the convex lens, the curve is outward facing, whereas, in the concave lens, the curve faces inward. When the light rays pass through the convex lens, it converges the light rays and focuses on one poin

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Gaurav Seth 5 years, 5 months ago

Meaning	Convex lens refers to the lens which merges the light rays at a particular point, that travels through it.	Concave lens can be identified as the lens which disperses the light rays around, that hits the lenses.
Figure

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Yogita Ingle 5 years, 5 months ago

Concave lens:

1) It has both surfaces curving inwards.

2) It is thicker at edges and thinner at middle.

3) It diverges the light coming towards it.

4) Its focal length is negative.

5) It always produces a virtual image.

Convex lens:

1) It has both surfaces curving outwards.

2) It is thicker at middle and thinner at the edges.

3) It converges the light coming towards it.

4) Its focal length is positive.

5) It always produces a real image and forms a virtual image only when the object is between the focus and optical centre.

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Kulraj Singh?? 5 years, 5 months ago

A concave lens is thinner in the middle and thicker at the edges. A convex lens is thicker in the middle and thinner at the edges. Also known as. It is also known as Diverging Lens. It is also known as Converging Lens.

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Posted by Pandey Ji 5 months, 4 weeks ago

CBSE > Class 10 > Science