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Reflection Of Light Mock Tests

16 questions available

Reflection Of Light Mock Test 1

Questions: 16

नमूना प्रश्न

Class 10 Science
An object is placed 20 cm from a concave mirror of focal length 10 cm. The image distance is:
A 10 cm
B 20 cm
C 30 cm
D Infinity
Class 10 Science
A concave mirror forms an image of an object placed at its centre of curvature. The image is:
A Smaller than the object and virtual
B Same size as the object and real
C Magnified and virtual
D Smaller than the object and real
Class 10 Science
A concave mirror has a focal length of 20 cm. The distance at which an object should be placed from the mirror to obtain a real, inverted image of the same size is:
A 20 cm
B 40 cm
C 60 cm
D 10 cm
Class 10 Science
A convex lens of focal length 15 cm is used to obtain a virtual and magnified image. The object must be placed at a distance from the lens:
A exactly 15 cm
B greater than 15 cm
C less than 15 cm
D at infinity
Class 10 Science
A converging mirror forms a real, inverted, and same-size image of an object. The object is placed at:
A Focus (F)
B Centre of curvature (C)
C Between focus and pole
D Infinity
Class 10 Science
A concave mirror has a focal length of 15 cm. An object is placed at a distance of 30 cm from the mirror. Where is the image formed?
A At the focus
B At the centre of curvature
C Between the focus and the pole
D At infinity
Class 10 Science
A concave mirror has a focal length of 15 cm. An object is placed at 30 cm from the mirror. The image formed is:
A Virtual, erect, and magnified
B Real, inverted, and same size as object
C Real, inverted, and diminished
D Virtual, erect, and diminished
Class 10 Science
A concave mirror produces a real, inverted image that is magnified three times. The object is placed at a distance of 20 cm from the mirror. What is the focal length of the mirror?
A 15 cm
B 20 cm
C 10 cm
D 25 cm

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