Science

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Question:

Which type of mirror can form a real image?

Answer:

Concave mirror can form a real image.

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Q 1.

Mark ‘T’ if the statement is true and ‘F' if it is false:
(a) We can obtain an enlarged and erect image by a convex mirror. (T/F)
(b) A concave lens always form a virtual image. (T/F)
(c) We can obtain a real, enlarged and inverted image by a concave mirror. (T/F)
(d) A real image cannot be obtained on a screen. (T/F)
(e) A concave mirror always form a real image. (T/F)

Q 2.

Which type of lens forms always a virtual image?

Q 3.

Which type of mirror can form a real image?

Q 4.

Fill in the blanks:
(a) An image that cannot be obtained on a screen is called ___________ .
(b) Image formed by a convex is __________ always virtual and smaller in size.
(c) An image formed by a __________ mirror is always of the same size as that of the object.
(d) An image which can be obtained on a screen is called a __________ image.
(e) An image formed by a concave __________ cannot be obtained on a screen.

Q 5.

Give one use each of a concave and a convex mirror.

Q 6.

State the characteristics of the image formed by a plane mirror.

Q 7.

State the characteristics of the image formed by a plane mirror.

Q 8.

State two differences between a convex and a concave lens.

Q 9.

Find out the letters of English alphabet or any other language known to you in which the image formed in a plane mirror appears exactly like the letter itself. Discuss your findings.

Q 10.

State two differences between a convex and a concave lens.

Q 11.

Match the items given in Column I with one or more items of Column II
ncert-solutions-class-7-science-chapter-15-light-01

Q 12.

What is a virtual image? Give one situation where a virtual image is formed.