CTET Paper II (Upper Primary: Class 6-8)

Light - Reflection Refraction Laws Lenses Mirrors Rainbow Dispersion question bank (Mathematics & Science)

Practice 46 free CTET Paper II (Upper Primary: Class 6-8) Mathematics & Science - Light - Reflection Refraction Laws Lenses Mirrors Rainbow Dispersion questions with answers and step-by-step solutions.

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Q1.

When a ray of light falls on a smooth plane mirror at an angle of 30 degrees to the normal, what is the angle of reflection?

Topic: Light - Reflection Refraction Laws Lenses Mirrors Rainbow Dispersion | Source: AI Generated (CTET Paper II (Upper Primary: Class 6-8))

(A)

60 degrees

(B)

30 degrees

(C)

90 degrees

(D)

0 degrees

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Q2.

A teacher uses a convex lens in the classroom to focus sunlight onto a paper, causing it to burn. Which characteristic of the convex lens is being demonstrated?

Topic: Light - Reflection Refraction Laws Lenses Mirrors Rainbow Dispersion | Source: AI Generated (CTET Paper II (Upper Primary: Class 6-8))

(A)

Diverging parallel rays of light

(B)

Converging parallel rays of light to a single point (focus)

(C)

Reflecting light backwards like a mirror

(D)

Dispersing white light into seven constituent colors

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