10th Class Physics MCQS
The unit of intensity of sound:
Wm-2
Wm
Wm 1
Wm2
Bats can hear sound of frequency up to:
120, 000Hz
25000Hz
1000Hz
100,000Hz
1 Pico Farad is equal to:
10-12F
10 6F
10 9F
1012F
One micro coulomb charge is equal to:
103C
106C
10-6C
10 3 C
In computer terminology information means:
Processed data
Large data
Raw data
Any data
The 1st practical electric battery is known as:
Pile
Voltaic cell
Voltaic pile
Voltaic
Sound waves having frequency lower than 20 Hz are called:
Infrasonic
Audible
Echo
Ultrasonic
To hear echoes, the minimum distance of the obstacle from source of sound should be:
20m
10m
15m
17m
Which device is used to store charge:
Fuse
Capacitor
Dielectric
Resister
The brain of any computer system is:
Monitor
Memory
Control unit
CPU
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