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Q:

Match the following with the correct response.

 

(1) W (A) Nm
(2) kW       (B) 3.6 x 106 J
(3) 1 kW-h (C) 1000 W
(4) 1 HP (D) 746 W

A) 1-D, 2-B, 3-C, 4-A B) 1-A, 2-B, 3-C, 4-D
C) 1-A, 2-C, 3-D, 4-B D) 1-A, 2-C, 3-B, 4-D
 
Answer & Explanation Answer: D) 1-A, 2-C, 3-B, 4-D

Explanation:
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Filed Under: Physics
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1 40304
Q:

The source of energy of the sun is

 

A) Nuclear fusion B) Photoelectric effect
C) Nuclear fission D) Chemical reaction
 
Answer & Explanation Answer: A) Nuclear fusion

Explanation:

The transformation of Hydrogen atoms into Helium atoms with an emission of vast amount of energy is called nuclear fusion which is the source of energy for the Sun.

 

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Filed Under: General Science
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0 40223
Q:

Generally covalently bonded molecules ______.

 

I. have high boiling and melting point as compare to ionically bonded molecules

II. poor conductors of electricity

III. have weak intermolecular force

 

A) Only I and II B) Only I and III
C) Only II and III D) All I, II and III
 
Answer & Explanation Answer: C) Only II and III

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Filed Under: Chemistry
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1 40051
Q:

What is two days after the day after the day before yesterday?

Answer

Tomorrow


The day before yesterday was two days ago; the day after the day before yesterday was yesterday; two days after that (yesterday) is tomorrow.

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Subject: Clock puzzles

139 40045
Q:

In a combination reaction there can be ______.

 

I. two or more than two reactants

II. two or more than two products

III. only one product

 

A) Only I   B) Only I and III
C) Only I and II D) Only II
 
Answer & Explanation Answer: B) Only I and III

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Filed Under: Chemistry
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0 40039
Q:

Feroz Gandhi Award is associated with

A) Medical Research B) Journalism
C) Preservation of worldlife D) Parlimentory debate
 
Answer & Explanation Answer: B) Journalism

Explanation:
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Filed Under: Honours and Awards

193 40008
Q:

By virtue of which Act, Diarchy was introduced in India

A) Indian Council Act, 1909 B) Government of India Act, 1919
C) Government of India Act, 1935 D) indian Independence Act, 1947
 
Answer & Explanation Answer: B) Government of India Act, 1919

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Filed Under: Indian Politics

152 39985
Q:

With reference to earthquakes, which of the following statements are correct?

A. Earthquakes largely occur along the converging plate boundaries.

B. Point of origin of earthquake in lithosphere is known as focus/hypocenter.

C. Intensity of earthquake decreases with distance from the epicenter.

D. Epicentre of earthquake always remains over continents only.

Select the correct answer using the code given below.

A) 1 and 2 only B) 1, 2 and 3
C) 2 and 3 only D) 1 and 4
 
Answer & Explanation Answer: B) 1, 2 and 3

Explanation:

Epicentre of Earthquakes can be over both oceanic and continental surface. Epicentres above oceanic surface are cause of tsunamisof large intensity. Anearthquake's hypocentreis the position where the strain energy stored in the rockis first released, marking thepointwhere the fault begins to rupture.

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Filed Under: General Science
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2 39962