Question

please answer the following questions​

Answer 1

Answer:

Given:u=−10cm               f=20cm        (convex lens)

To find: v and image's nature.

Solution: From lens formula

v1−u1=f1

v1+101=201

v1=20−1

v=−20cm

And magnification = uv=2

Hence image formed is virtual, erect and magnified two times.

An object 1cm high is placed at 0.20 m

from a convex lens of the Focal length

0.15m, the image

position and height are

Answer 2

Answer:

1. Siri

2. a)because Giri had a talent to act

b)No he told that he wants some time to think about it

3.Siri registered with teacher.

4.Expecting that the people will obey you