Q:

The acceleration due to gravity at the surface of the earth (mass M and radius R) is proportional to ___.

A) MR	B) M/R2
C) M2/R	D) M/R

Answer & Explanation Answer: B) M/R2

Explanation:

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Q:

What is the heat generated (in J) in a heating element of resistance 800 Ω when a current of 0.2 A passes through it for 40 seconds?

A) 6400	B) 1280
C) 640	D) 3200

Answer & Explanation Answer: B) 1280

Explanation:

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Q:

What was the name of the operation launched by India to help Bangladesh in solving with Rohingya crisis?

A) Operation Saksham	B) Operation Manavata
C) Operation Khushhali	D) Operation Insaniyat

Answer & Explanation Answer: D) Operation Insaniyat

Explanation:

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Q:

Boiling point of water is ___.

A) 210 deg F	B) 212 deg F
C) 214 deg F	D) 208 deg F

Answer & Explanation Answer: B) 212 deg F

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Q:

The Leader of which country has been given a title of “General secretary” of the ruling Workers’ Party?

A) North Korea	B) Vietnam
C) Thailand	D) China

Answer & Explanation Answer: A) North Korea

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Q:

A solar eclipse occurs when

A) moon comes in the middle of sun and earth	B) sun comes in the middle of moon and earth
C) earth comes in the middle of moon and sun	D) All of the above

Answer & Explanation Answer: A) moon comes in the middle of sun and earth

Explanation:

A solar eclipse happens when the moon gets in the way of the sun's light and casts its shadow on Earth. Solar eclipses happen when the New Moon comes between the Sun and Earth and blocks out the Sun's rays.

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Q:

If a body is whirled in a circle, then the work done on it ___.

A) is zero	B) is positive
C) cannot be determined	D) is negative

Answer & Explanation Answer: A) is zero

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Q:

Mirages are formed primarily due to ___ of light.

A) Reflection	B) Diffusion
C) Refraction	D) Scattering

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