Marking scheme
(For questions 1 to 24)
+4 for every right answer
-1 for every wrong answer
+0 for unanswered questions
(For questions 25 to 30)
+4 for right answer
No negative marking
Convex lens only
Concave lens only
Convex and concave lens both
Neither convex nor concave lens
Rate this question:
True
False
Rate this question:
Plane mirror
Concave mirror
Convex mirror
Any one of the above
Rate this question:
Reflection of light
Refraction of light
Scattering of light
Diffraction of light
Rate this question:
Convex mirror is a small mirror
Image formed by convex mirror is always smaller in size than the object
Image formed by convex mirror is real
Image formed by convex mirror is always virtual and erect
Rate this question:
Option a and b
Option b and d
Option c and d
Option d and a
Rate this question:
Water
Glass
Plastic
Clay
Rate this question:
Option a
Option b
Option c
Option d
Rate this question:
Convex lens
Concave lens
Convex mirror
Concave mirror
Rate this question:
1.5x108 m/s
2x108 m/s
3x108 m/s
4.5x108 m/s
Rate this question:
Option a
Option b
Option c
Option d
Rate this question:
Metre
Watt
Kilowatt
Dioptre
At the principal focus of the lens
At twice the focal length
At infinity
Between the optical centre of the lens and its principal focus
Rate this question:
Rate this question:
70°
90°
120°
140°
Rate this question:
One
Two
Three
Four
Rate this question:
H/ū
Hū
ū/h
H
Rate this question:
Decreases
Increases
Does not change
Increases or decreases depending upon the rate of heating
Rate this question:
Converging lens
Diverging lens
Plain glass slab
Convex mirror
Rate this question:
-m
M−1
M
None of these
Rate this question:
Rate this question:
Dust particle in the atmosphere
Water droplets in the atmosphere
CO2 in the atmosphere
None of these
Rate this question:
Yes, always
Yes, sometimes
No, never
Cannot say
Rate this question:
-1.00 D
1.66 D
-3.75 D
4.00 D
Rate this question:
Rate this question:
D1 + d2
D1 - d2
D1×d2
√d1.d2
Rate this question:
Rate this question:
Rate this question:
Quiz Review Timeline (Updated): Mar 14, 2023 +
Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.