Questions

Q:

Who discovered Proton?

A) Ernest Rutherford B) Friedrich Miescher
C) Henri Becquerel D) Henry Cavendish
 
Answer & Explanation Answer: A) Ernest Rutherford

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Filed Under: Inventions
Exam Prep: Bank Exams

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Q:

If a chord of a circle subtends an angle of 30° at the circumference of the circle, then what is the ratio of the radius of the circle and the length of the chord respectively?

A) 1 : 1 B) 2 : 1
C) 3 : 1 D) √2 : 1
 
Answer & Explanation Answer: A) 1 : 1

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Q:

Cultivation is difficult on red soil because

A) Its water holding capacity is less B) It is highly contaminated
C) Biological components do not mix with it D) It is red in colour
 
Answer & Explanation Answer: A) Its water holding capacity is less

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Filed Under: General Awareness
Exam Prep: Bank Exams

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Q:

Equus Caballus is the scientific name of _________.

A) Horse B) Zebra
C) Donkey D) Buffalo
 
Answer & Explanation Answer: A) Horse

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Filed Under: General Science
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Q:

The ______________ monsoon winds carry lots of water from the Indian Ocean

A) northwest B) southwest
C) southeast D) northeast
 
Answer & Explanation Answer: B) southwest

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Filed Under: General Science
Exam Prep: Bank Exams

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Q:

Which of the following is NOT an effect of Noise Pollution?

A) Death of Animals B) Tinnitus
C) Hypertension D) Ozone Depletion
 
Answer & Explanation Answer: D) Ozone Depletion

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Filed Under: General Science
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Q:

When a ray of light travels from a denser medium to a rarer medium, it bends

A) towards the normal and speeds up B) towards the normal and slows down
C) away from the normal and speeds up D) away from the normal and slows down
 
Answer & Explanation Answer: C) away from the normal and speeds up

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Filed Under: Physics
Exam Prep: Bank Exams , CAT

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Q:

In the gamma decay of a nucleus

A) the mass number of the nucleus changes whereas its atomic number does not change B) the mass number of the nucleus does not change whereas its atomic number changes
C) both the mass number and the atomic number of the nucleus change D) neither the mass number nor the atomic number of the nucleus changes
 
Answer & Explanation Answer: D) neither the mass number nor the atomic number of the nucleus changes

Explanation:

The emission of gamma rays does not alter the number of protons or neutrons in the nucleus but instead has the effect of moving the nucleus from a higher to a lower energy state (unstable to stable)

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Filed Under: Physics
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