Class 7

Light question bank (Science)

Practice 71 free Class 7 Science - Light questions with answers and step-by-step solutions.

Q1.

Why are convex mirrors used as rear-view mirrors in motor vehicles?


(A)
They produce real, inverted, magnified images
(B)
They always produce virtual, erect, and diminished images with a wider field of view
(C)
They converge light rays to a single focal point
(D)
They produce identical images of the same size
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Q2.

What practical or industrial application is directly enabled by scientific knowledge of Spherical Mirrors (Concave and Convex)?


(A)
Discarding technological innovations
(B)
Halting laboratory research
(C)
Reverting to medieval tools
(D)
Innovations in healthcare, engineering, agriculture, and energy conservation derived from Spherical Mirrors (Concave and Convex)
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