Questions

Q:

The pressure of a fluid varies with depth h as P = PQ+pgh, where p is the fluid density. This expression is associated with

A) Pascal’s law B) Newton’s law
C) Bernoulli’s principle D) Archimedes’ principle
 
Answer & Explanation Answer: A) Pascal’s law

Explanation:

Pascal's law is a principle in fluid mechanics that states that a pressure change occurring anywhere in a confined incompressible fluid is transmitted throughout the fluid such that the same change occurs everywhere.

This principle is stated mathematically as: P= P + rgh

 

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Q:

Which state in India  is estimated to have the largest coal reserves in India

A) Bihar B) Jharkhand
C) Madhya Pradesh D) Orissa
 
Answer & Explanation Answer: B) Jharkhand

Explanation:
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Q:

A gradual increase in loudness is known as

A) Crescendo B) Timbre
C) Fortissimo D) None of the above
 
Answer & Explanation Answer: A) Crescendo

Explanation:
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Q:

Where does translation occur?

A) Nucleus B) Ribosomes
C) Cytoplasm D) mitochondrion
 
Answer & Explanation Answer: C) Cytoplasm

Explanation:

Right after that, the mRNA enters the cytoplasm through nuclear pores. There, it could be translated into proteins by ribosomes. This process is called translation.

 

Translation occurs in the cytoplasm whereas transcription occurs in the nucleus.

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Q:

If someone in Russia sets their language preference to English, will they see ads targeted to people in Russia? Will their ads be in Russian or in English?

Answer

They will see ads targeted to people located in Russia with the ads in English.

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Q:

Activation of the receptors by stimuli is called

A) Perception B) Habituation
C) Adaptation D) Sensation
 
Answer & Explanation Answer: D) Sensation

Explanation:

Activation of the receptors by stimuli is called Sensation.

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Q:

Air contains water in a gaseous form called

A) vapour B) droplets
C) humidity D) None of the above
 
Answer & Explanation Answer: A) vapour

Explanation:

Air contains water in a gaseous form called water vapour.

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Q:

Which of these is exhibiting kinetic energy?

A) an archer with a flexed bow B) a person sitting on a couch while watching TV
C) a space station orbiting Earth D) All of the above
 
Answer & Explanation Answer: C) a space station orbiting Earth

Explanation:

Any moving object can exhibit kinetic energy, as kinetic energy is also known as Motional energy.

In the given options, only a space station orbiting Earth is in motion and all the other are in rest position.

 

Hence, option C) a space station orbiting Earth is only exhibiting kinetic energy.

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