KVPY (Kishore Vaigyanik Protsahan Yojana) Stream-SA (Class 11) Physics: Questions 15 - 18 of 253

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 253 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.

Rs. 200.00 or

Question number: 15

» Properties of Solids & Liquids » Specific Heat Capacity

Appeared in Year: 2010

MCQ▾

Question

A new temperature scale uses X as a unit of temperature, where the numerical value of the temperature t x in this scale is related to the absolute temperature T by t x = 3T + 300. If the heat of a material using this unit is 1400 J kg -1 X –1 its heat in the S. I. system of units is

Choices

Choice (4) Response

a.

466.7 J kg –1 K –1

b.

4200 J kg -1 K –1

c.

1400 J kg –1 K –1

d.

impossible to determine from the information provided

Question number: 16

» Thermodynamics » Thermal Equilibrium

Appeared in Year: 2011

MCQ▾

Question

The following three objects (1) a metal tray, (2) a block of wood, and (3) a woolen cap are left in a closed room overnight. Next day the temperature of each is recorded as T 1, T 2 and T 3 respectively. The likely situation is.

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 17

» Gravitation » Orbital Velocity of a Satellite

Appeared in Year: 2010

MCQ▾

Question

A planet of mass m is moving around a star of mass M and radius R in a circular orbit of radius r. The star abruptly shrinks to half its radius without any loss of mass. What change will be there in the orbit of the planet?

Choices

Choice (4) Response

a.

The radius of the orbit will not change

b.

The radius of the orbit will increase

c.

The radius of the orbit will decrease

d.

The planet will escape from the star

Question number: 18

» Gravitation » Gravitational Acceleration

MCQ▾

Question

Consider two spherical planets of same average density moving around the Earth in circular orbits. Planet 2 is 8 times as massive as planet 1. And distance between Earth and planet 1 is twice than that of planet 2. The ratio of the acceleration due to gravity of the second planet to that of first is,

Choices

Choice (4) Response

a.

8

b.

64

c.

16

d.

32

f Page
Sign In