Question

7. Which of the following images can a convex lens NOT produce?
a, real, magnified
b. virtual, magnified
c. erect, virtual
d. erect, diminished
8. Band of which of these colours is not seen in a spectrum?
a. green
b. vellow
c. purple
d. red
9. Which of the following is true for a convex mirror?
a. It can only form virtual images.
b. It can only form real images.
c. It can form real or virtual images depending on the distance of the object from the mirros
d. It can form real or virtual images depending on the size of the object.
10. Which of the following cannot split light into its seven colours?
a. diamond cut in a special way
b. prism
c. convex lens
d. water droplets suspended in the air​

Answer 1

Answer:

7-erect and diminished image

8-purple

9- it can only form virtual images

10- convex lens

Explanation:

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Answer 2

Answer:

7): (d) erect, diminished

8): (d) red

(9): (c) It can form real or virtual images depending on the distance of the object from the mirros

(10):(c) convex lens

Option (c) is correct because a convex lens cannot split light into its seven colours. Option (d) is not correct because water droplets suspended in air can act like a prism and split light into seven colours that leads to the formation of rainbow.

Explanation:

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