A solar cooker is made up of a concave mirror. Which of the following explains the working of such a solar cooking?

Sun rays diverge and increase the area of projection.

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Sun rays converge and focus on one single point.

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Sun rays are absorbed by the mirror completely.

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Sunrays are reflection are parallel to each other.

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Solution

The correct option is B Sun rays converge and focus on one single point.
Sun rays falling parallel to the principal axis of the concave mirror converges to the focus. This increases the intensity of the heat at the focus and makes it very hot.

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Similar questions

''When parallel sunrays are incident on concave mirror it converges...meet at focus and hence the solar cooker works'', but sun rays are not parallel at all so how can we say this??

Q. A solar cooker is made up of a concave mirror. Which of the following explains the working of such a solar cooking?

Q. Fill in the following blanks with suitable words:

(a) Parallel rays of light are reflected by a concave mirror to a point called the ..........
(b) The focal length of a concave mirror is the distance from the ......... to the mirror.
(c) A concave mirror .......... rays of light whereas convex mirror ............ rays of light
(d) For a convex mirror, parallel rays of light appear to diverge from a point called the ......... .

Q. A beam of parallel rays is incident on a concave mirror such that they make a very small angle

θ

with the principle axis of the concave mirror. The distance from the focus on the focal plane where rays converge after reflection is

Fill in the following blanks with suitable words :

(a) Parallel rays of light are reflected by a concave mirror to a point called the ___.

(b) The focal length of a concave mirror is the distance from the ___ to the mirror.

(d) For a convex mirror, parallel rays of light appear to diverge from a point called the___.

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A solar cooker is made up of a concave mirror. Which of the following explains the working of such a solar cooking?

The correct option is B Sun rays converge and focus on one single point.Sun rays falling parallel to the principal axis of the concave mirror converges to the focus. This increases the intensity of the heat at the focus and makes it very hot.

The correct option is B Sun rays converge and focus on one single point.
Sun rays falling parallel to the principal axis of the concave mirror converges to the focus. This increases the intensity of the heat at the focus and makes it very hot.