# Physics Quiz - 2, General Knowledge

## 25 Questions MCQ Test General Knowledge | Physics Quiz - 2, General Knowledge

Description
Attempt Physics Quiz - 2, General Knowledge | 25 questions in 50 minutes | Mock test for Current Affairs preparation | Free important questions MCQ to study General Knowledge for Current Affairs Exam | Download free PDF with solutions
QUESTION: 1

### Lux is the SI unit of

Solution: The SI unit of intensity of illumination (illuminance) is the lux. An illuminance of 1.0 lux is produced by 1.0 lumen of light shining on an area of 1.0 m^2.
QUESTION: 2

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QUESTION: 3

### Point A is at a lower electrical potential than point B. An electron between them on the line joining them will

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QUESTION: 4

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QUESTION: 5

Materials for rain-proof coats and tents owe their water-proof properties to

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QUESTION: 6

Sound of frequency below 20 Hz is called

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QUESTION: 7

On a clean glass plate a drop of water spreads to form a thin layer whereas a drop of mercury remains almost spherical because

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QUESTION: 8

Suitable impurities are added to a semiconductor depending on its use. This is done in order to

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QUESTION: 9

Stars twinkle because

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QUESTION: 10

It takes much longer to cook food in the hills than in the plains, because

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QUESTION: 11

Moment of inertia is

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QUESTION: 12

Of the following natural phenomena, tell which one known in Sanskrit as 'deer's thirst'?

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QUESTION: 13

Inside an aeroplane, flying at a high altitude,

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QUESTION: 14

Sound travels with a different speed in media. In what order does the velocity of sound increase in these media?

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QUESTION: 15

One thousand microns is equal to

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QUESTION: 16

Sound travels at the fastest speed in

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QUESTION: 17

oil raise up the wick in a lamp. The principle involves

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QUESTION: 18

Superconductors are substances which

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QUESTION: 19

Light travels at the fastest speed in

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QUESTION: 20

Railway tracks are banked on curves

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QUESTION: 21

On a cold day when a room temperature is 15oC, the metallic cap of a pen becomes much colder than its plastic body, though both are at the same temperature of 15oC, because

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QUESTION: 22

Sound produced at a point is heard by a person after 5 second, while the same sound is heard by another person after 6 seconds. If the speed of sound is 300 m/s, what could be the maximum and minimum distances between the two persons?

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QUESTION: 23

Intensity of sound at a point is ____ its distance from the source.

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QUESTION: 24

Of the four locations mentioned below the highest inside temperature will be attained in the pressure cooker operated with the pressure valve open

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QUESTION: 25

Rain is falling vertically downwards. To a man running east-wards, the rain will appear to be coming from

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