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 Physics Questions

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Q:

Which vitamin is also called as H vitamin?

A) Vitamin B7 B) Vitamin B12
C) Vitamin B3 D) Vitamin B5
 
Answer & Explanation Answer: A) Vitamin B7

Explanation:

Biotin is a water-soluble B vitamin, also called vitamin B7 and formerly known as vitamin H or coenzyme R.

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2 1938
Q:

Hot springs are heated geothermally by underlying

A) water B) magma
C) mitula D) None of the above
 
Answer & Explanation Answer: B) magma

Explanation:

Magma is molten rocks beneath the earth's crust. Hot springs are heated geothermally by underlying magma.

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2 1934
Q:

What does it mean if a micrograph is false colored?

Answer

If a micrograph is false-colored, it means that the computer has created the colour for the object since we know that the electron microscopes sees only black and white colours.

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0 1927
Q:

Which among the following temperature scale is based upon absolute zero?

A) Rankine B) Celsius
C) Fahrenheit D) Kelvin
 
Answer & Explanation Answer: D) Kelvin

Explanation:

Kelvin temperature scale is the temperature scale that is based upon absolute zero.

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6 1926
Q:

When a constant force acts on an object with a mass of 8 kg for a duration of 3 s. it increases the object's velocity from 4 m/s to 6 m/s . What is the magnitude of the applied force?

A) 5.33 N B) 4.33 N
C) 6.33 N D) 3.33 N
 
Answer & Explanation Answer: A) 5.33 N

Explanation:
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0 1921
Q:

For an object, the state of rest is considered to be the state of ______ speed.

A) increasing B)
C) inverse D) zero
 
Answer & Explanation Answer: D) zero

Explanation:
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4 1921
Q:

The unit of energy in MKS system is

A) Joule B) Ohm
C) Erg D) Volt
 
Answer & Explanation Answer: A) Joule

Explanation:

The unit of energy in MKS system is Joule.

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4 1918
Q:

Increased wind speed is accompanied by a reduced air _____________.

A) humidity B) pressure
C) density D) aridity
 
Answer & Explanation Answer: B) pressure

Explanation:
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2 1918