Question

Q.3 Match the column -

'A' 'B'

(1) Constellations (a) Chlorofluoro carbon

(2) CFC (b) Group of stars

(3) Reflection (c) Light Emitting diode

(4) Seismograph (d) Bouncing back of light

(5) LED (e) Seismic waves​

Answer 1

Answer:

CFC-Chlorofluoro carbon

LED-Light Emitting diode

Constellations-Group of stars

Reflection-Seismic waves​

Seismograph-Bouncing back of light

Explanation:

Answer 2

Answer:

1=b

2=a

3=d

4=e

5=c

Explanation:

this is your answer