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Q:

The boiling point of an alcohol is 78°C. What is the temperature in Kelvin scale?

A) 78K B) 341 K
C) 373 K D) 351 K
 
Answer & Explanation Answer: D) 351 K

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Q:

The material used in electric heater is

A) Tungsten B) Nichrome
C) Brass D) Steel
 
Answer & Explanation Answer: B) Nichrome

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2 1102
Q:

'Parsec' is the unit measurement of

A) Density of stars B) Astronomical distance
C) Brightness of heavenly bodies D) Orbital velocity of giant stars
 
Answer & Explanation Answer: B) Astronomical distance

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Q:

What is the SI unit of pressure?

A) Newton B) Weber
C) Pascal D) Henry
 
Answer & Explanation Answer: C) Pascal

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Q:

What is the SI unit of electric current?

A) Newton B) Joule
C) Ampere D) Watt
 
Answer & Explanation Answer: C) Ampere

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1 1099
Q:

Kelvin (K) is the unit of measurement of ________.

A) Density B) Pressure
C) Mass D) Temperature
 
Answer & Explanation Answer: D) Temperature

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1 1097
Q:

A car accelerates uniformly from 18 kmph to 72 kmph in 5 s. The acceleration of the car (in m/sq.s) is:

A) 3 B) 5
C) 6 D) 7
 
Answer & Explanation Answer: A) 3

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0 1096
Q:

For a body moving with uniform acceleration its final velocity equals _________________.

A) average velocity - initial velocity B) 2 x average velocity - initial velocity
C) 2 x average velocity + initial velocity D) average velocity + initial velocity
 
Answer & Explanation Answer: B) 2 x average velocity - initial velocity

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