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WBJEE 2019 Revision Test 2

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Question 1

Which of the following circuit correctly represents the following truth table?

Question 2

A particle moves in a region having a uniform magnetic field and a parallel, uniform electric field. at some instant, the velocity of the particle is perpendicular to the field direction. The path of the particle will be

Question 3

Two bodies P and Q have thermal emissivities of ε_p and ε_Q respectively. Surface areas of these bodies are same and the total radiant power is also emitted at the same rate. If temperature of P is θ_P kelvin then temperature of Q i.e. θ_Q is

Question 4

Moment of inertia of a rectangular plate about an axis passing through P and perpendicular to the plate is I. Then the moment of inertia of PQR about an axis perpendicular to the plane of the plate,

Question 5

Two mirrors at an angle θ ° produce 5 images of a point. The number of images produced when θ is decreased to θ ° - 30 ° is

Question 6

Given are

, and

. Which of the above oxoacids results into series of salts?

Question 7

In which of the following types of soaps, a gum called, Rosin is added?

Question 8

The correct match between items of List - I and List - II is :
List - I
(A) Phenelzine
(B) Chloroxylenol
(C) Uracil
(D) Ranitidine
List - II
(P) Pyrimidine
(Q) Furan
(R) Hydrazine
(S) Phenol

Question 9

At the state of perfect order of pure crystalline substance, how is zero entropy defined?

Question 10

Specific conductance of 0.1 M NaCl is 1.06x10^-2. Its molar conductance is

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Sep 30JEE & BITSAT