Questions

Q:

In a compound, chemical energy is contained in the

A) bonds B) movement of the electrons
C) unbonded electrons D) nuclei of the atoms
 
Answer & Explanation Answer: A) bonds

Explanation:

chemical energy is contained in the chemical bonds between the reactants in the chemical compounds.

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Q:

Who is the author of the book 'The Prince' ?

A) Niccolo Machiaveli B) Emile Zola
C) Bernard Shaw D) V.S. Sharma
 
Answer & Explanation Answer: A) Niccolo Machiaveli

Explanation:
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Q:

Answer the following puzzle

Answer

Hour hand points to 8


Explanation:


Starting with the top clockface, and moving clockwise around the others, the minute hand moves forward 15 minutes, while the hour hand moves back 2 hours each time.

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Subject: Clock puzzles

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Q:

Lying between the states of pennsylvania and Maryland, which imaginary line divided the 'Slave States' from the 'Free States' in pre-Civil war America?

Answer

Mason Dixon Line

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Q:

The energy of a photon, whose momentum is 10 MeV/c, where c is the speed of light, is given by

A) 10 MeV B) 100 MeV
C) 1 MeV D) 0.1 MeV
 
Answer & Explanation Answer: A) 10 MeV

Explanation:

A photon’s relativistic momentum is given by the equation,E = pc where p is the momentum.

P = 10 MeV/c

So, E = 10 MeV

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Filed Under: Physics
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Q:

Which is an example of Phototropism?

A) roots of a plant following water B) plant bending toward the light
C) roots growing into the soil D) a venus flytrap capturing a fly
 
Answer & Explanation Answer: B) plant bending toward the light

Explanation:

Phototropism is the ability of a photosynthesizing organism, to grow directionally in response to a light source. It is very common in plants, but can also occur in other organisms such as fungi.

Example :: Sunflower

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Q:

"National Volunteer Day" is observed on ____ ?

A) 1st October B) 21st September
C) 11th October D) 29th September
 
Answer & Explanation Answer: B) 21st September

Explanation:

"National Volunteer Day" & "International Peace Day" are observed on 21st september every year.

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Q:

The average weight of a blue whale is

Answer

1,20,000 kg.

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