Question

Use this concave lens with the arrows representing beams of light to answer this question.

Which illustrates how light will behave when it strikes a concave lens?
http://static.k12.com/calms_media/media/1366500_1367000/1366633/1/8d8e85789b0f8ce4a6b7f397099dfb4fb7f29a44/MS_PHYS_SCI_287831.jpg

Answer 1

A.

Answer 2

B.

Answer 3

c.

Answer 4

D.

Answer 5

@Abhishek1997

Answer 6

@saeeddiscover

Answer 7

A mechanic uses a mechanical lift to raise a car. The car weighs 12,500 N. The lift raises the car 2.25 m in 10 seconds.

How much power was used to accomplish this task?

A.
5556 J

B.
28,125 J

C.
28.125 J

D.
1.8 x 10-4 J

Answer 8

please helppppppp @IhteshamMalik

Answer 9

First find the Work done... W = Fd then find the power Power = W /t

Answer 10

Of concave lens, D is right.