Match the gadgets given in column A with the apparatus required to prepare them in column B A B (a) Pinhole camera (i) Circular cardboard top with painted seven colours, a nail (b) Kaleidoscope (ii) Two plane mirror and a hard cardboard/box (c) Periscope (iii) 3 rectangular mirror stripes, a circular plane glass plate, some pieces of bangle and cardboard tube and a disk (d) Newton's disk (iv) Two boxes of different sizes, a translucent screen.

Correct Answer is : (a) - (iv), (b) - (iii), (c) - (ii), (d) - (i)

(a) - (iii), (b) - (iv), (c) - (i), (d) - (ii)

(a) - (iv), (b) - (iii), (c) - (ii), (d) - (i)

(a) - (iv), (b) - (ii), (c) - (i), (d) - (iii)

(a) - (i), (b) - (iv), (c) - (ii), (d) - (iii)

CTET 2 Math and Science 4 Jan 2022 Paper

Question : 79 of 150

Marks: +1, -0

Match the gadgets given in column A with the apparatus required to prepare them in column B

	A		B
(a)	Pinhole camera	(i)	Circular cardboard top with painted seven colours, a nail
(b)	Kaleidoscope	(ii)	Two plane mirror and a hard cardboard/box
(c)	Periscope	(iii)	3 rectangular mirror stripes, a circular plane glass plate, some pieces of bangle and cardboard tube and a disk
(d)	Newton's disk	(iv)	Two boxes of different sizes, a translucent screen.

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