Scientists have determined the temperature near the Earth’s centre 1,000°C hotter than was reported in an experiment run 20 years ago at
(a) 6,000° Celsius (b) 5,000° Celsius (c) 4,000° Celsius (d) None of these
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Neglect the effect of rotation of the earth. Suppose the earth suddenly stops attracting objects placed near its surface,
(d) remain standing. Explanation: The person will loose weight but remain standing. As no force acts on him, so according to "Newton's First Law of Motion" he will remain in his state...
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Blow hard from your mouth on to your hands. How did you find the air from your mouth as compared to the air around? Was it hotter or cooler?
On blowing hard from the mouth on to the hands, the air from the mouth feels hotter as compared to the air around.
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If George earned $50,000 and was taxed $7,500, while Julia earned $80,000 and was taxed $9,000, what type of income tax structure exists
The correct answer is d) regressive income tax If George earned $50,000 and was taxed $7,500, while Julia earned $80,000 and was taxed $9,000, the type of income tax structure that exists...
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For more than 20 years, scientists have been analyzing expected climate change and the impact on crops grown in particular regions
(c) adaptation
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For more than 20 years, scientists have been analyzing expected climate change and the impact on crops grown in particular regions.
(c) adaptation
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If there was no CO2 in the earth’s atmosphere, the temperature of earth’s surface would be (a) higher than the present
(d) Carbon dioxide is one of the important green house gas. It allows the shorter wavelength of infra red radiations to pass through it but does not allow these radiations...
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The Iron Pillar near Qutub Minar draws attention of scientists due to its (a) antiquity (b) glitter (c) hardness (d) rustlessness
(d) The ironpillar near Qutub Minar highlights ancient India’s achievements in metallurgy. The pillar is made of 98 per cent wrought iron and has stood 1,600 years without rusting or...
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Why does a metal bar appear hotter than a wooden bar at the same temperature?
Due to difference in conductivity, metals having high conductivity compared to wood. On touch with a finger, heat from the surrounding flows faster to the finger from metals and so...
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The centre of mass of an extended body on the surface of the earth and its centre of gravity
(d) is close to each other for objects, say of sizes less than 100 m.
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If the capital of a business is Rs.3,00,000 and liabilities are Rs.50,000, loss 70,000, calculate the total assets of the business.
Total assets = capital - Loss + Liabilities = Rs.3,00,000 - Rs.70,000 + Rs. 50,000 = Rs.2,80,000
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