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BITSAT 2019 Revision Test 7

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Question 1

A cylindrical copper rod has length L and resistance R. If it is melted and formed into another rod of length 2L, the resistance will be

Question 2

Depending on the intensity of lines of force, which of the following property of electric field can be determined?

Question 3

A wall has two layers A and B, each made of different material. Both the layers have the same thickness. The thermal conductivity for A is twice that of B. Under steady state, the temperature difference across the whole wall is 36°C. Then the temperature difference across the layer A is

Question 4

One end of a uniform rod of mass m and length l is clamped. The rod lies on a smooth horizontal surface and rotates on it about the clamped end at a uniform angular velocity ω. The force exerted by the clamp on the rod has a horizontal component

Question 5

In Young’s double slit interference experiment, the slit width are in the ratio 1:25. Then the ratio of intensity at the maxima and minima in the interference pattern is

Question 6

When ammonia is passed over heated copper oxide, the metallic copper is obtained. the reaction shows that ammonia is what kind of agent?

Question 7

Nickel tetracarbonyl is a commercially important transition metal carbonyl. Which of the following is an incorrect statement about Nickel tetracarbonyl?

Question 8

Chlorine gas is exposed to UV light in a closed container. The reactive species expected to be formed are

Question 9

In which of the following methods for preparation of colloid both condensation and dispersion occur simultaneously.

Question 10

Internal energy does not include

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May 11JEE & BITSAT