BITSAT 2019 Revision Test 3 for JEE & BITSAT Exams

Question 1

If a lamp in balcony can be turned on and off using two different switches in the house. It is observed that, lamp can be turned on by turning on either of the switches but not both. This condition can be explained by which gate,

Question 2

A metallic chargeless particle is placed near a finite metal plate carrying a positive charge of 3.4x10^-18C. The electric force on the particle will be?

Question 3

A block of ice at temperature -20 ° C slowly heated and converted to steam at 100 °C. Which of the following diagram is most appropriate?

Question 4

A rigid body of mass m is moving in a circle of radius r with a constant speed v. The force on the body is

and is directed towards the centre. What is the work done by this force in moving the body over half the circumference of the circle?

Question 5

The refractive index for a prism is given as $Description: E:\VITJEE\Vitjee-2015-Physics_files\image099.png$ . Then, angle of miniumum deviation in terms of angle of prims is

Question 6

A compound (C5H8) reacts with ammonical AgNO3 to give a white precipitate and reacts with excess of KMnO4 solution to give (CH3)2 CH–COOH. The compound is –

Question 7

According to the collision theory of chemical reactions:

Question 8

A rise in temperature increases the velocity of a reaction. It is because it results in:

Question 9

MnO₄^- oxidizes (i) oxalate ion in acidic medium at 333 K and (ii) HCl. For balanced chemical equations, the ratios [MnO₄^- : C₂O₄^2-] in (i) and [MnO₄^- : HCl] in (ii), respectively, are

Question 10

Statement I: Hund’s rule states that when there are several MOs with equal energy
Statement II: The electrons occupy the MOs one at a time before two occupy the same MO.

Question 11

If A^T denotes the transpose of the matrix

where a, b, c, d, e and f are integers such that abd ≠ 0, then the number of such matrices for which A^-1 = A^T is

Question 12

Let X be a variate in the distribution B (n, p), if E(X) = 5, Var (X) = 2.5 then P(X < 1) = __________

Question 13

, (n ∈ N) equals

Question 14

Value of Maxima of

is

Question 15

From the bottom of a pole of height h, the angle of elevation of the top of a tower is α and the pole subtends angle β at the top of the tower. The height of the tower is