A cube of side and mass
is to be tilted at point
by applying a force
as shown in Figure. The minimum force required is
a) |
|
b) |
|
c) |
|
d) |
|
A cube of side and mass
is to be tilted at point
by applying a force
as shown in Figure. The minimum force required is
a) |
|
b) |
|
c) |
|
d) |
|
(b)
See the figure. For tilting about the clockwise torque (due to
) should be greater than the anticlockwise torque about
The refractive index of the material of a double convex lens is 1.5 and its focal length is 5 cm. If the radii of curvature are equal, the value of the radius of curvature is ………. cm. |
|||||||
(a) |
6.5 |
(b) |
5 |
(c) |
8 |
(d) |
5.6 |
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