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The unit of gravitational constant (G) is- गुुरुत्वाकर्षण स्थिरांक (G) का मात्रक .............. है।

Select the most appropriate option that can substitute the underlined segment in the given sentence. If there is no need to substitute it, select ‘No substitution required’. The authorities are assured the people that they will look into the matter.

Directions: Read the passage carefully and answer the questions that follow (Q. Nos. 326 to 334) by selecting the correct/most appropriate options. When it comes to structures that are both majestic and well-fortified, the classic European castle is the pinnacle of design. Across the ages castles changed, developed, and eventually fell out of use, but they still command the fascination of our culture. Castles were originally built in England by Norman invaders in 1066. As William the Conqueror advanced through England, he fortified key positions to secure the land he had taken. Castles also served as bases of operation for offensive attacks. Troops were summoned to, organized around, and deployed from castles. In this way castles served both offensive and defensive roles in military operations. Not limited to military purposes, castles also served as offices from which the lord would administer control over his freedom. They would address disputes, handle business, feast, and enjoy festivites. In this way castles served as important social centres in medieval England. Castles also served as symbols of power. The first castles constructed in England were made from earth and timber. Those who constructed them took advantage of natural features, such as hills and rivers, to increase defenses. Since these castles were constructed from wood, they were highly susceptible to attacks by fire. Wooden castles were gradually replaced by stone, which greatly increased the strength of these fortifications; however, being made from stone did not make these castles entirely fireproof. Attackers could hurl flaming objects into the castle through the windows or ignite the wooden doors. The demise of castles can ultimately be attributed to gunpowder. During the 15th century, artillery became powerful enough to break through stone walls. This greatly undermined the military role of castles. Castles were then replaced by artillery forts that had no role in civil administration and country houses that were indefensible. Though castles no longer serve their original purposes, remaining castles receive milions of visitors each year from those who wish to experience these majestic vestiges of a time long passed. Which one of the following is not a function of castles as expressed in the passage?

CO₂ के 10 मोल्स का द्रव्यमान कितना होता है?

Select the most appropriate synonym of the given word. Misfortune

4, 6 और x का लघुत्तम समापवर्त्य (LCM) ______ नहीं हो सकता है।

What is the total number of Fundamental Duties present in Part IV A of the Indian Constitution?

In horizontal curves of Railway Tracks, Negative Super elevation means- रेल की पटरियों के क्षैतिज वक्रों में, ऋणात्मक सुपर एलीवेशन का क्या अभिप्राय है–

The UN system is based on six principal organs. Which of the following organs does NOT come under it?

Q: A child has 1/4 kg of a ball in his hand and he throws it vertically upwards. His hand arises 10 cm upwards and with his hand the ball exits at an upward velocity of 2 ms⁻¹ What is the value of the static force exerted by the child to throw the ball?

A. 15 N

B. 10 N

C. 7.5 N

D. 5 N

Correct Answer: Option D -

Explanations:

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