CBSE Plus 1 Biology Science Study Materials, Online Learning, Question Papers, Classnotes, Practice Test, MCQ | Smartindia Educational Program : www.smartindia.net.in


Biology
Chemistry
English
Mathematics
Physics
Biotechnology

Back to home

Start Practice

Question-1 At constant pressure, V₁ and V₂ are the volumes of a given mass of a gas at temperatures 27^o C and 54^oC respectively. The ratio ^V1 /^V2 is

(A) ⁵⁴/₂₇	(B)²⁷/₅₄
(C)¹⁰⁰/₁₀₉	(D)

Question-2 Which one of the following is the formula of degree of freedom for diatomic gas?

(A)	(B)
(C)	(D)

Question-3 Air is filled at 60^o C in a vessel with open mouth. The vessel is heated to a temperature T so that ¹/4^th part of air escapes. Assuming the volume of vessel remains constant, the value of T is :

(A) 80^o C	(B)143^o C
(C)333^oC	(D)416^o C

Question-4 The average kinetic energy per molecule of helium gas at temperature T is E and molar gas constant is R. The Avogadro's number is

(A)	(B)
(C)	(D)

Question-5
The figure below shows the plot of versus P for oxygen gas at two different temperatures.

Read the following statements concerning the above curves :
(i) The dotted line corresponds to the 'ideal gas' behaviour.
(ii) T₁ > T₂
(iii) The value of at the point where the curves meet on the y-axis is the same for all gases.
Which of the above statement is true ?

(A) (i) only	(B) (i) and (ii) only
(C) All of these	(D) None of these

Question-6 At what temperature, volume of an ideal gas at 0^o C becomes triple :

(A) 546^o C	(B)382^o C
(C)719^o C	(D)246^o C

Question-7 If the degree of freedom of a gas is F, then the value of for the gas will be :

(A)	(B)1 + F
(C)	(D)

Question-8 The r.m.s velocity of nitrogen molecules at N.T.P is:

(A) 33 m/s	(B)493 m/s
(C)517 m/s	(D)546 m/s

Question-9 An electric fan is switched on in a closed room. The air in the room

(A) Is cooled	(B)Is heated
(C)Maintains its temperature	(D)Is heated or cooled depending upon atmosphere pressure

Question-10 When the temperature of a gas filled in a closed vessel is increased by 1^o C, its pressure increases by 0.4 %. The initial temperature of the gas was

(A) 25^o C	(B)250 K
(C)250^o C	(D)25 K

Click here to see your answersheet and detailed track records.

Plus 1 Biology Science

CBSE

Practice in Related Chapters
Units and Measurements
Motion in a Straight Line
Laws of Motion
Mechanical Properties of Solids
Motion in a Plane
Waves
Gravitation
Thermodynamics
Thermal Properties of Matter
Work,Energy and Power
Kinetic Theory
System of Particles and Rotational Motion
Oscillations
Mechanical Properties of Fluids

CONTENTS

Back to home

Start Practice

Practice in Related Chapters