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Question : Which Indian physicist introduced a new statistical method in 1924 to derive the blackbody radiation law concerning a gas of light quanta (photons)?
Option 1: Meghnad Saha
Option 2: Chandrasekhara Venkata Raman
Option 3: Homi Jehangir Bhabha
Option 4: Satyendra Nath Bose
Correct Answer: Satyendra Nath Bose
Solution : The correct answer is Satyendra Nath Bose.
A novel statistical technique for deriving the blackbody radiation law in terms of a gas of light quanta (photons) was presented by Indian physicist Satyendra Nath Bose in 1924. His theory produced the astounding prediction that
Question : Select the INCORRECTLY spelt word.
Option 1: hinderence
Option 2: hoarse
Option 3: humour
Option 4: homage
Correct Answer: hinderence
Solution : The misspelt word is the first option.
"Hindrance" is the correct spelling and it is used to describe things that provide resistance or obstruction to someone or something.
Question : Direction: The pie chart shows how the school fund is spent under different heads in a certain school. Using the pie chart answer the question.
Which head had the most expense?
Option 1: Art and Craft
Option 2: Sports
Option 3: Library
Option 4: Science
Correct Answer: Sports
Solution : As per the chart, The sum of all the central angles in a pie chart is 360°. The Sports head has the maximum expenditure with a central angle of 120°. Hence, the correct answer is Sports.
Question : Select the correct passive form of the given sentence. Authorities have stepped up efforts to control the invasion of locusts in Rajasthan and Gujarat.
Option 1: Efforts to control the invasion of locusts in Rajasthan and Gujarat are being stepped up by the authorities.
Option 2: Efforts to control the invasion of locusts in Rajasthan and Gujarat were stepped up by the authorities.
Option 3: Efforts to control the invasion of locusts in Rajasthan and Gujarat were being stepped up by the authorities.
Option 4: Efforts to control the invasion of locusts in Rajasthan and Gujarat have been stepped up by the authorities.
Correct Answer: Efforts to control the invasion of locusts in Rajasthan and Gujarat have been stepped up by the authorities.
Solution : The correct choice is the fourth option.
Passive voice involves rearranging the structure of a sentence so that the subject receives the action of the verb rather than
Question : Red data book gives information about species which are :
Option 1: extinct
Option 2: endangered
Option 3: dangerous
Option 4: rare
Correct Answer: endangered
Solution : The Correct Answer is endangered
The IUCN created the red data book to record local, rare, and endangered plant, animal, and fungal species that are found in a state or country. The Red Data Book contains records for every known endangered species and subspecies of
Question : Directions: In the following question, a sentence is given with a blank that is to be filled in with an appropriate word. Four alternatives are suggested; choose the correct alternative out of them as your answer.
The assistant manager decided to resign when she was _____ for promotion to deputy manager.
Option 1: passed over
Option 2: passed off
Option 3: passed by
Option 4: passed out
Correct Answer: passed over
Solution : The first option is the correct choice.
Question : The quintessence of Gandhian thought is:
Option 1: satyagraha
Option 2: metaphysics
Option 3: spiritualism
Option 4: moksha
Correct Answer: satyagraha
Solution : The correct answer is satyagraha.
Gandhi brought a fresh perspective to the world through his unwavering commitment to truth, his resolute determination to uphold it, and his active, nonviolent opposition to untruth. This stands as Gandhi's most significant contribution to the world. Gandhi firmly
Question : Directions: In the following question, correct the equation by interchanging two signs. 43 + 9 – 6 ÷ 3 × 8 = 50
Option 1: ÷ and ×
Option 2: + and ÷
Option 3: – and +
Option 4: – and ×
Correct Answer: – and +
Solution : Given: 43 + 9 – 6 ÷ 3 × 8 = 50
Replace the given signs in the options one by one with those in the given equation. First option: ÷ and × = 43 + 9 – 6 × 3 ÷ 8
Question : If $\left(\mathrm{k}+\frac{1}{\mathrm{k}}\right)^2=9$, then what is the value of $\mathrm{k}^3+\frac{1}{\mathrm{k}^3} ?$
Option 1: 27
Option 2: 18
Option 3: 15
Option 4: 21
Correct Answer: 18
Solution : $\left(\mathrm{k}+\frac{1}{\mathrm{k}}\right)^2=9$ $⇒\left(\mathrm{k}+\frac{1}{\mathrm{k}}\right) = 3$ $⇒\left(\mathrm{k}+\frac{1}{\mathrm{k}}\right)^3 = 3^3$ $⇒\mathrm{k}^3+ \frac{1}{\mathrm{k}^3}+3×\mathrm{k}×\frac{1}{\mathrm{k}}(\mathrm{k}+\frac{1}{\mathrm{k}})=27$ $⇒ \mathrm{k}^3 + \frac{1}{\mathrm{k}^3}=27- 3(\mathrm{k} + \frac{1}{\mathrm{k}} )$ $⇒\mathrm{k}^3 + \frac{1}{\mathrm{k}^3} = 27 - 3\times3$ $⇒\mathrm{k}^3 + \frac{1}{\mathrm{k}^3}=18$ Hence, the correct answer is 18.
Question : Comprehension: In the following passage, some words have been deleted. Read the passage carefully and select the most appropriate option to fill in each blank. The solar system is made up of the sun, planets, moons, asteroids, and comets that 1.______ around it. Its mysteries and wonders have captured the imagination of people from all walks of life, and it continues to be an area of active research and exploration. The sun is at the centre of the solar system and is the largest object in it. The eight planets in the solar system, 2._________ Earth, orbit around the sun in nearly circular paths. While the sun is at the centre of the solar system and dominates its gravitational pull, each planet has its own unique set of characteristics that makes it a fascinating object to study. Each planet in the solar system has unique characteristics and features. 3._________ planets, such as Mercury and Venus, are small and rocky, while others, like Jupiter and Saturn, are much larger and made up mostly of gas. The outer planets, Uranus and Neptune, are 4._______ as 'ice giants' because they contain more water, ammonia, and methane than the gas giants. In addition to the planets, the solar system also has numerous moons, asteroids, and comets. These objects provide important 5.______ about the formation and evolution of the solar system. Question: Select the most appropriate option to fill in the blank 2.
Option 1: excluding
Option 2: diluting
Option 3: dissolving
Option 4: including
Correct Answer: including
Solution : The most appropriate option is the fourth option.
Explanation: Including means to contain as part of a whole. In this context, it implies that among the eight planets in the solar system, Earth is one of them. "The eight planets in the solar system, including
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