Questions

Q:

Which is faster Light or Sound?

A) Light B) Sound
C) Both are same D) Can't be determined
 
Answer & Explanation Answer: A) Light

Explanation:

Light travels Faster than Sound.

 

Light :

1. Light doesn't require a medium to travel.

2. It travels in the vaccum with the speed of 1,86,000 miles per second.

 

Sound:

1. Sound rquire a medium.

2. It travels in the Air with the speed of 340 meters per second.

3. It travels Faster in Water than in Air.

4. It travels Faster in Steel than in Water. 

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Q:

When is the shortest day observed?

A) June 21 B) December 22
C) June 22 D) December 21
 
Answer & Explanation Answer: B) December 22

Explanation:

Shortest of all the days is observed on Decenber 22

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Q:

When two similar sources vibrate with slightly different frequencies , a regular rise and fall occurs in the loudness of tone. This phenomenon is known as 

A) doppler effect B) beats
C) resonance D) echo
 
Answer & Explanation Answer: B) beats

Explanation:

Beats means the periodic increase and decrease in loudness heard when two notes of nearly the same frequency are sounded simultaneously.

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Q:

How many states in India are coastal

A) 7 B) 8
C) 9 D) 10
 
Answer & Explanation Answer: C) 9

Explanation:
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Filed Under: Indian Geography

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Q:

Air is 

A) compound B) element
C) mixture D) solution
 
Answer & Explanation Answer: C) mixture

Explanation:
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Filed Under: Chemistry

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Q:

By volume, 21% of air is _______________.

 

A) hydrogen B) oxygen
C) nitrogen D) carbon dioxide
 
Answer & Explanation Answer: B) oxygen

Explanation:
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Filed Under: Chemistry
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Q:

What happens when the Quality Score of a keyword is increased?

Answer

The ad may earn a higher average position.

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Q:

Electrical Pressure is also called

A) Current B) Voltage
C) Resistance D) Power
 
Answer & Explanation Answer: B) Voltage

Explanation:

Electrical Pressure is also called as Voltage. Voltage is measured in Volts.

 

Volt : A unit of electrical pressure or Voltage is called Volt.

 

One volt is the amount of pressure required to cause one ampere of current to flow against one ohm of resistance.

 

Voltage is also referred to as Electromotive Force or Electrical Potential or Electrical Pressure.

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