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Class VII >> Science >> Light >> A1

Q1	What is bouncing back of light called?
A	Reflection
B	Dispersion
C	Refraction
D	Diffraction

Q2	A curved mirror with its outer side painted is called __________.
A	Plane Mirror
B	Spherical Mirror
C	Convex Mirror
D	Concave Mirror

Q3	Which light out of the spectrum scatters the least?
A	Violet
B	Red
C	Green
D	Indigo

Q4	The back of the spoon serves to act as a __________.
A	Plane Mirror
B	Concave Mirror
C	Convex Mirror
D	Shaving Mirror

Q5	Which part of the eye acts as a screen?
A	Iris
B	Retina
C	Pupil
D	Cornea

Q6	Light always travels in a __________ line.
A	Curved
B	Random
C	Straight
D	Zigzag

Q7	Identify the object which is NOT a reflector?
A	A Shining Steel Plate
B	A Wooden Wall
C	Clean Clear Pond
D	A Mirror

Q8	Which one of the following is a correct statement ?
A	Light is a Particle
B	Light is an Electromagnetic Wave
C	Both A and B
D	Light is Only Particle

Q10	Mirror has __________ .
A	Polished Surface That Reflects Light
B	Polished Surface That Refracts Light
C	Unpolished Surface That Reflects Light
D	Unpolished Surface That Refracts Light

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Q9	Lens disperses light by means of __________.
A	Reflection
B	Refraction
C	Both Reflection and Refraction.
D	None of the Above