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Light Mock Tests

53 questions available

Light Mock Test 1

Questions: 30

Light Mock Test 2

Questions: 23

नमूना प्रश्न

Class 8 Science
A concave mirror forms a real, inverted, and same-size image when the object is placed:
A Between the pole and focus
B At the focus
C At the centre of curvature (2F)
D Beyond the centre of curvature
Class 8 Science
A convex lens forms a virtual, erect, and magnified image when the object is placed:
A At the focus
B Between focus and optical centre
C At the centre of curvature
D Beyond the centre of curvature
Class 8 Science
When light enters from air into water, it bends:
A Away from the normal
B Towards the normal
C Along the same path
D First away then towards the normal
Class 7 Science
The image formed on the retina of the human eye is:
A Inverted and real
B Erect and virtual
C Inverted and virtual
D Erect and real
Class 8 Science
Concave mirrors are used in all of the following EXCEPT:
A Torches
B Solar furnaces
C Rear-view mirrors on vehicles
D Shaving mirrors
Class 7 Science
A convex lens is thicker at the ___ and thinner at the ___.
A Centre, edges
B Edges, centre
C Top, bottom
D Bottom, top
Class 8 Science
When an object is placed between the pole and the focus of a concave mirror, the image formed is:
A Real, inverted, and magnified
B Virtual, erect, and magnified
C Real, inverted, and same size
D Virtual, erect, and diminished
Class 8 Science
A convex lens forms a virtual, erect, and magnified image when the object is placed:
A At the focus (F)
B Between the lens and the focus (F)
C At twice the focal length (2F)
D Beyond twice the focal length (2F)

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