MHT-CET Physics Batch 2022-24

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Questions and Answers

What type of questions are present in the MHT-CET batch section?

Open-ended questions
Multiple choice questions
Multiple correct answer type
Single correct answer type (correct)

What is the marking scheme for the MHT-CET batch section?

+2 for correct answer, -1 for incorrect
+4 for correct answer, -3 for incorrect
+3 for correct answer, -2 for incorrect
+1 for correct answer, 0 if not attempted and 0 in all other cases (correct)

What is the value of R in the problem of a spherical liquid drop?

Radius of the droplet (correct)
Surface tension of the droplet
Mass of the droplet
None of the above

In Bohr's atomic model, what do speed and time period of revolution of an electron in n = 3 level depend on?

Velocity and radius of the electron (C) Signup and view all the answers

What is the required energy for launching a spaceship from the earth's surface into free space?

Given by the formula 2mgR (B) Signup and view all the answers

What is the change in kinetic energy during the displacement of a body of mass 0.5 kg?

1.5J (A) Signup and view all the answers

What is the speed of the wave given by the equation y = 2sin(0.05x - 0.1t)?

30 m/s (C) Signup and view all the answers

What happens to the sharpness of fringes when white light is used instead of monochromatic light?

The sharpness of fringes will decrease as we move away from the central fringe. (D) Signup and view all the answers

What is the amplitude of the SHM given by the equation x(t) = a cos(ωt)?

a (C) Signup and view all the answers

What is the standard emf of a cell if the Gibbs free energy of a cell reaction is -21.20 kJ?

0.239V (D) Signup and view all the answers

What is the graph obtained by plotting the activity of a radioactive sample against time?

Exponential curve (B) Signup and view all the answers

What happens to the vapour pressure of a solution if the mole fraction of the solvent decreases?

It increases (B) Signup and view all the answers

What is the ionisation constant, Ka of an acid HQ if the pH of a 0.1 molar solution of the acid is 3?

10^(-3) (D) Signup and view all the answers

What is the voltage of the electric field given by the equation E = 10 V/m?

10 V-m (A) Signup and view all the answers

What is a molal solution?

A solution that contains one mole of solute in 1000g of the solvent (A) Signup and view all the answers

What is the current flowing through a resistor of resistance 10 Ω when a voltage of 30 V is applied across it?

3 A (C) Signup and view all the answers

What is the order of reactivities of alkyl halides in an SN2 reaction?

RF > RCl > RBr > RI (B) Signup and view all the answers

What is the product of the reaction between benzaldehyde and ethanoic anhydride with KCN?

C6H5CHOHCN (A) Signup and view all the answers

What is the product formed when phenol vapours are passed over hot Zn dust?

Benzene (A) Signup and view all the answers

Which disaccharide is present in milk?

Lactose (B) Signup and view all the answers

What is the correct order of reactivity of halogens with alkanes?

F2 < Cl2 < Br2 < I2 (A) Signup and view all the answers

Which of the following can act as an initiator in polymerization?

Azo-iso-butyronitrile (D) Signup and view all the answers

At what pH will Mg2+ ions start precipitating as Mg(OH)2 from a 0.001 M Mg2+ ion solution?

10 (C) Signup and view all the answers

What is the correct set of four quantum numbers for the valence electrons of a rubidium atom (Z = 37)?

5,0, 0, + (D) Signup and view all the answers

What is the number of solutions of the equation?

3 (C) Signup and view all the answers

What is the condition for the pair of straight lines joining the origin to the common points of and to be perpendicular?

5 (A) Signup and view all the answers

If a, b, c are vectors such that, what is the relationship between them?

(B), (C), (D) Signup and view all the answers

What is the equation of the circle passing through?

having the centre (B) Signup and view all the answers

What are the direction cosines of the line drawn from to?

(A), (B), (C), (D) Signup and view all the answers

What is the maximum value of?

30 (D) Signup and view all the answers

Flashcards

Question type in MHT-CET

Single correct answer type questions.

MHT-CET marking scheme

+1 for a correct answer, 0 for not attempting, 0 otherwise.