Sawaal
14
Q:

The construction of world’s largest optical telescope has started in which country  ?

A) China B) Russia
C) Chile D) India

Answer:   C) Chile



Explanation:

The construction of the world’s largest optical telescope has started in northern Chile, which is expected to begin operating in 2024. The Extremely Large Telescope (ELT) is being built by the European Southern Observatory (ESO) and will have a main mirror that is 39m in diameter. The telescope will be positioned on top of Cerro Armazones – a 3046-metre long mountain Chile. It will tackle a wide range of scientific challenges, including probing Earth-like exoplanets for signs of life, studying the nature of dark energy and dark matter, and observing the universe’s early stages to explore humans’ origins.

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Find the acceleration (in m/s2) produced in a body of mass 10 kg when a force of 20 N is applied on it.

 

A) 200 B) 4
C) 2 D) 100
 
Answer & Explanation Answer: C) 2

Explanation:
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Q:

Which one of the following is the highest altitude zoo in the world?

A) Cheyenne Mountain Zoo B) Pandit G. B. Pant High Altitude Zoo
C) Himalayan Zoological park, Gangtok D) Padmaja Naidu Himalayan Zoological Park
 
Answer & Explanation Answer: D) Padmaja Naidu Himalayan Zoological Park

Explanation:

Cheyenne Mountain Zoo  -  6,800 feet

Himalayan Zoological Park, Gangtok  -  5839.895 feet

Padmaja Naidu Himalayan Zoological Park  -  7000 feet

 

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Q:

The longest sea beach in India is

A) Chapora beach B) Diu beach
C) Aksa beach D) Marina beach
 
Answer & Explanation Answer: D) Marina beach

Explanation:
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Q:

The country with longest coastline in the world is

A) Canada B) Norway
C) Russia D) Greenland
 
Answer & Explanation Answer: A) Canada

Explanation:

Canada has the longest coastline than any other countries in the world. It measures 1,51,020 miles long approximately. Norway, Indonesia, Greenland and Russia being in 2, 3, 4 and 5th places.

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Q:

Largest sea in the world

A) Mediterranean sea B) Philippine sea
C) Black sea D) Red sea
 
Answer & Explanation Answer: B) Philippine sea

Explanation:

Largest sea in the world is Philippine sea.

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Q:

World’s longest 3D printed concrete bridge opened in?

A) China B) Japan
C) Dubai D) India
 
Answer & Explanation Answer: A) China

Explanation:
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3 2171
Q:

Which is the longest railway platform in the world?

A) Mumbai B) Gorakhpur
C) Thane D) Kochi
 
Answer & Explanation Answer: B) Gorakhpur

Explanation:

Gorakhpur railway platform in Uttar Pradesh is the longest railway platform in the world.

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4 2306
Q:

Highest Bridge in the world

A) Millau Viaduct B) Sidu River Bridge
C) Bailey Bridge D) None
 
Answer & Explanation Answer: C) Bailey Bridge

Explanation:

The Highest bridge in the world is Bailey bridge. It is located in the Ladakh valley between Dras and Suru rivers in the Himalayan mountains. It was built by the Indian Army in August 1982.

It is 30 meters (98 ft) long and is at an altitude of 5,602 meters (18,379 ft) above sea level.

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