Question # 1

Level of noise recommended in eight, hour work day:

Choose an answer

80-90 dB

80-85- dB

85-90 dB

90-95 dB

The minimum value of angle of deviation is called:

Choose an answer

Minimum angle

incident angle

angle of minimum deviation

None of these

electric intensity is a quantity:

Choose an answer

scalar

vector

base

none of these

When frequency of sound wave is increased, which of the following decreases?

i) Wavelength ii) Period iii) Amplitude

Choose an answer

i only

(iii) only

i and ii only

i and iii only

which is a major cause of fires and explosions at many places:

Choose an answer

match sticks

bombs

static electricity

magnetism

The maximum displacement from mean position is called:

Choose an answer

Maximum height

Time period

Amplitude

Intervel

by connecting suitable high resistance in series with galvanometer it will convert into:

Choose an answer

voltmeter

galvanometer

ammeter

multimeter

Coulomb's law is mathematically stated as:

Choose an answer

F = k q1 q2/r3

F = k q2 q2 / r2

F = k q1 q2 / r

F = k q1 q2 / r2

The half life of carbon -14 is:

Choose an answer

5730 years

5740 years

5750 years

5760 years

After how much time the echo must be heard?

Choose an answer

0.1 s

0.10 s

0.20 s

0.50 s

The coulomb's law is valid for the charges which are:

Choose an answer

moving and point charges

moving and non-point charges

stationary and pont charges

stationary and large size charges

To hear echo, the distance between the observer and the obstacle is 17m then how much distance will the sound travel?

Choose an answer

60m

54m

17m

34m

If the field is stronger than lines of force are to each other:

Choose an answer

Far away

Separated

Closer

No effect

More Classes

Other Links

Physics 10th Class English Medium Online Test MCQs With Answers

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer