Question

14.
A body has an initial velocity of 3 ms' and has an acceleration of 1 ms normal to the direction of
the initial velocity. Then its velocity, 4 second after the start is
(a) 7 ms along the direction of initial velocity
(b) 7ms along the normal to the direction of the initial velocity
(©) 7ms-mid way between the two directions
(d) 5 ms
at an angle of tan' - with the direction of the initial velocity
-
11​

Answer 1

Answer:

Here we have, U (object distance) = -20 cm

F (focal length) = 10 cm

Find the nature and position of the image?

A convex lens of focal 15 cm is placed on a plane mirror .