Last Updated On [03-11-2023]
What is the focal length of a convex lens having power + 5.0 D?
(a)
-10 cm
(b)
- 20 cm
(c)
+ 10 cm
(d)
+ 20 cm
What is the focal length of a convex lens having power + 5.0 D?
(a)
-10 cm
(b)
- 20 cm
(c)
+ 10 cm
(d)
+ 20 cm
Question ID - 101075 :-
What is the focal length of a convex lens having power + 5.0 D?
(a)
-10 cm
(b)
- 20 cm
(c)
+ 10 cm
(d)
+ 20 cm
|
What is the focal length of a convex lens having power + 5.0 D? |
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|
(a) |
-10 cm |
(b) |
- 20 cm |
(c) |
+ 10 cm |
(d) |
+ 20 cm |
Next Question :
A solid sphere 
of mass 
and radius 
and another sphere 
of mass 
and radius 
are simultaneously released at rest from the top of an inclined plane as shown in figure. The spheres roll without slipping. Also we may consider the spheres and the surface on which they roll to be perfectly rigid. Match Columns I and II
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Column-I |
Column- II |
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(A) |
More for sphere |
(p) |
Speeds of the two spheres at the bottom of the incline |
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(B) |
More for sphere |
(q) |
Time taken by the spheres to reach the bottom |
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(C) |
Same for both spheres |
(r) |
Angular acceleration |
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(D) |
Zero |
(s) |
Kinetic energy at the bottom |
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CODES : |
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A |
B |
C |
D |
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a) |
C |
a |
b |
d |
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b) |
b |
d |
a |
c |
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c) |
does not m |
c |
a,b |
does notma |
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d) |
d |
b |
c |
a |
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