Question

The body travels from A+B at 40 ms and from B+A at 60 m5. Its net desplacement will be
(a) 48
(b) 0m
(c) 60
(d) None of these​

Answer 1

Answer:

facing the sun. She kept a white thick sheet of paper

on the table so that she could direct the rays from the devise X on to the paper. She moved the

paper back and forth till she could get the sharp image of the sun.

20.i. . Name and type of devise X.

20.ii. What is the distance between the devise and paper named as?

20.iii. Draw a schematic ray diagram of the following procedure.

20.iv. Write two precautions to be taken while doing this activity.

20.v. Give one more application of the same devise with well suited justification.distance between the devise and paper named as?

20.iii. Draw a schematic ray diagram of the following procedure.

20.iv. Write two precautions

Explanation:

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