8
Q:

Acceleration is the rate of change of

A) Speed B) Velocity
C) Jerk D) Jounce

Answer:   B) Velocity



Explanation:

The rate of change of velocity is called as Acceleration.

Subject: Physics
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Q:

The force exerted by a magnet is an example of _________.

A) Non-contact force B) Muscular force
C) Contact force D) Electrostatic force
 
Answer & Explanation Answer: A) Non-contact force

Explanation:
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Q:

An image formed by a plane mirror, that cannot be obtained on a screen is called _______.

A) Virtual image B) Real image
C) Inverted image D) Erect image
 
Answer & Explanation Answer: A) Virtual image

Explanation:
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Q:

What is the unit of the physical quantity "Inductance"?

A) weber B) farad
C) henry D) tesla
 
Answer & Explanation Answer: C) henry

Explanation:
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Q:

Find the power of a convex lens if the image formed is at a distance of 16 cm from the lens when the object is placed on the other side of the lens at 20 cm from the optical centre?

A) -3.75 diopters B) -11.25 diopters
C) 3.75 diopters D) 11.25 diopters
 
Answer & Explanation Answer: D) 11.25 diopters

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Q:

If price of an article decreases from Rs 240 to Rs 220, when quantity demanded increases from 200 units to 210 units. Find point elasticity of demand?

A) 0.6 B) -1.8
C) -0.6 D) 1.8
 
Answer & Explanation Answer: C) -0.6

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Q:

Farad is unit of ___________.

A) Capacitance B) Reactance
C) Electric charge D) Electric conductance
 
Answer & Explanation Answer: A) Capacitance

Explanation:
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Q:

Instrument for measuring blueness of the sky or ocean is called ___________.

A) Bathymeter B) Ceraunograph
C) Cyanometer D) Barometer
 
Answer & Explanation Answer: C) Cyanometer

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Q:

If demand curve for alphonso mangoes is D = 25000 ­ 70P and supply curve is S = 10000 + 80P, find the equilibrium quantity?

A) 18,000 units B) 2,000 units
C) 1,800 units D) 200 units
 
Answer & Explanation Answer: A) 18,000 units

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