Question

Fill in the blanks (5)

(a) The S.I unit of speed is ___________________________

(b) The resting position of a bob of pendulum is called

_______________________position.

(c) An instrument showing the time by the shadow of a pointer cast by the sun on to

a graduated plate is called________________________. (d) The path along which electric current flows is called

an______________________

(e) Current does not flow in an___________________________ electric circuit.

(f) A combination of two or more cells is called a _________.

(g) A prism splits light into ………………….. colours.

(h) The inner surface of a steel spoon acts as a ………………….. mirror.

(i) The change in the direction of light by a mirror is called ………………….. of light.

(j) Convex lenses are ………………….. in the middle than at the edges whereas

concave lenses are in the middle than at the edges.​

Answer 1

Answer:

a.m/s

b.

c.

d.electrical fuse

e.

f.battery

g.7

h.concave

I.

j.