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Question 628

Sound travels fastest in

AVacuum

BSteel

CWater

DAir

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B. SteelExplanation: Sound travels fastest in steel because it is a solid material where the particles are packed very closely together. Sound waves need a medium to travel, and their speed depends on how quickly vibrations can pass from one particle to another. In solids, particles are tightly bound, so vibrations are transmitted more efficiently. In contrast, sound travels slower in liquids and slowest in gases. It cannot travel through a vacuum because there are no particles to carry the vibrations.

Question 627

Aurora Borealis is a light phenomenon seen at night in the:

ANorthern hemisphere

BEquatorial region

CBarmunda Triangle region

DNone of these

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A. Northern hemisphereExplanation: Aurora Borealis, also known as the Northern Lights, is a natural light phenomenon visible mainly in the northern hemisphere, near the Arctic regions. It occurs when charged particles from the solar wind interact with gases like oxygen and nitrogen in the Earth's upper atmosphere (ionosphere). These collisions release energy in the form of colorful lights, usually green, pink, red, or violet. A similar phenomenon in the southern hemisphere is called the Aurora Australis or Southern Lights.

Question 626

The weight of a person on the surface of the moon will be about one-sixth of his weight on the surface of the earth. This is because

AThe moon has no air.

BThe moon has no water.

CThe gravity of the moon is about half of the earth.

DThe gravity of the moon is abouut one-sixth of that of the earth.

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D. The gravity of the moon is abouut one-sixth of that of the earth.Explanation: The weight of a person depends on the gravitational force exerted by a celestial body. The Moon’s gravity is only about 1/6th that of the Earth’s because it has much less mass and a smaller radius. Therefore, an object or person weighing 60 kg on Earth would weigh only about 10 kg on the Moon. Although mass remains constant everywhere, weight changes according to the local gravitational acceleration (g). Hence, lower gravity results in lower weight on the Moon.

Question 625

Shri R K Roy, ICS took as the first Chief Commissioner of the State of Tripura on :

A14th August, 1947

B15th October, 1949

C21st January, 1972

D1st July, 1963

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B. 15th October, 1949Explanation not yet available.

Question 624

Who introduced the scheme of 'Vidyapattan' in Agartala ?

AMaharaja Bir Chandra Manikya

BMaharaja Kirit Bikram Manikya

CMaharani Tulsibati

DNone of them

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D. None of themMaharaja Bir Bikram Kishore Manikya introduced the scheme of 'Vidyapattan' in Agartala

Question 623

The name of the highest peak in Tripura is :

AVelianchip

BFuldungshi

CBe-talang Shiv

DNone of these

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C. Be-talang ShivExplanation not yet available.

Question 621

Tripura Merger Agreement was signed on :

A9th September, 1949

B15th October, 1949

C15th September, 1947

D9th September, 1946

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A. 9th September, 1949Explanation not yet available.

Question 619

Where was the 22nd Asian Athletics Championship held?

AChina

BIndia

CJapan

DMalayasia

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B. IndiaExplanation not yet available.

Question 618

Who is the author of 'A Brief History of Time' ?

AAlbert Einstein

BH. G Wells

CNewton

DStephen Hawking

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D. Stephen HawkingExplanation not yet available.

Question 617

Who wrote 'Krishnakanter Will'?

ASarat Chandra

BBankim Chandra

CTarasankar

DBimal Mitra

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B. Bankim ChandraExplanation not yet available.

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Explore the question bank

Sound travels fastest in

Aurora Borealis is a light phenomenon seen at night in the:

The weight of a person on the surface of the moon will be about one-sixth of his weight on the surface of the earth. This is because

Shri R K Roy, ICS took as the first Chief Commissioner of the State of Tripura on :

Who introduced the scheme of 'Vidyapattan' in Agartala ?

The name of the highest peak in Tripura is :

Tripura Merger Agreement was signed on :

Where was the 22nd Asian Athletics Championship held?

Who is the author of 'A Brief History of Time' ?

Who wrote 'Krishnakanter Will'?

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