Mechanical Properties of Solids

JEE Main 2024 (Online) 27th January Morning ShiftNumericalEasy📈 Topic in 12% papers+4

Ques. 1JEE Main 2024, 27 January (Morning Shift)

If average depth of an ocean is 4000 m and the bulk modulus of water is 2 109 N m-2, then fractional compression VV of water at the bottom of ocean is 10-2. The value of is (Given, g = 10 m s-2, = 1000 kg m-3)

Answer

Solution

VV = PB, P = gh

= 1000 10 40002 109 = 4 1072 109

= 2 10-2

= 2

Answer: 2

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Ques. 2JEE Main 2024, 27 January (Evening Shift)

Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R). In the light of the above statements, choose the correct answer from the options given below :

(A) is false but (R) is true
Both (A) and (R) are true but (R) is not the correct explanation of (A)
Both (A) and (R) are true and (R) is the correct explanation of (A)
(A) is true but (R) is false

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