Question

Fill in the blanks with suitable words:

1. The image formed in the pinhole camera is_______.

2. A winding stair case is an example of ______.

3. CFL, LED bulbs do not contain mercury vapour and so they are _____ too.

4. The moving parts of machine should be_____________.

5. The effort applied is equal to the load to be lifted in an _______________.

6. A machine may simply change the ______________ of applied force.

7. ____________ helps as to tear apart solid objects.

8. The rays coming out from a bulb constitute a ___________.

9. Any non-luminous body can be made luminous by __________.

10. In a machine the output is always ____________ than the input.

don't write faltu answer​

Answer 1

Answer:

1)inverted image

2) screw

4)machine compounds (solid)