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Free gk questions Online Test - MeritNotes

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No. of Questions :10

Remaining Time :

1. When a body moves with simple harmonic motion, then the phase difference between the velocity and the accelerator is

(a)
0°
(b)
90°
(c)
180°
(d)
270°

2. The plates through which current enters and leaves an electrolyte are known as

(a) plates
(b) electrodes
(c) terminals
(d) none of the above

3. A body travelling with a speed of more than the velocity of sound in air is said to travel with

(a)
Infrasonic speed
(b)
Ultrasonic speed
(c)
Hypersonic speed
(d)
Supersonic speed

4. The emf is independent of

(a) internal resistance in the circuit
(b) external resistance in the circuit
(c) charge in the circuit
(d) current in the circuit

5. An oscillator is ______

(a) an amplifier without feedback
(b) nothing but an amplifier
(c) an amplifier with feedback
(d) a converter of ac to dc energy

6. The three fundamental colours are

(a)
blue, yellow and green
(b)
yellow, green and red
(c)
blue, green and red
(d)
blue, yellow and red

7. Hydrogen fuel cell vehicles produces on the following exhaust

(a)
NH₃
(b)
CH₄
(c)
H₂O
(d)
H₂O₂

8. Cavitation is a special application property exhibited only by

(a)
audible sound
(b)
infrasonic
(c)
ultrasonic sound
(d)
audible sound

9. The outer electrons liberated from individual atoms, that travel randomly through the conductor are called

(a) drift electrons
(b) free electrons
(c) photo electrons
(d) all the above

10. A galvanometer can be converted into an ohm meter by connecting

(a) a battery and suitable galvanometer in parallel
(b) a capacitor
(c) a battery
(d) a battery and suitable resistance in series

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