AIPMT 2002 | Properties of Matter Question 77 | Physics

AIPMT 2002

MCQ (Single Correct Answer)

-1

Which of the following is best close to an ideal black body?

black lamp

cavity maintained at constant temperature

platinium black

a lump of charcoal heated to high temperature.

AIPMT 2002

MCQ (Single Correct Answer)

-1

The Wien's displacement law express relation between

wavelength corresponding to maximum energy and temperature

radiation energy and wavelength

temperature and wavelength

colour of light and temperature.

AIPMT 2001

MCQ (Single Correct Answer)

-1

A cylindrical rod having temperature T₁ and T₂ at its end. The rate of flow of heat Q₁ cal/sec. If all the linear dimension are doubled keeping temperature constant, then rate of flow of heat Q₂ will be

4Q₁

2Q₁

$${{{Q_1}} \over 4}$$

$${{{Q_1}} \over 2}$$

AIPMT 2000

MCQ (Single Correct Answer)

-1

A black body has maximum wavelength $$\lambda $$_m at 2000 K. Its corresponding wavelength at 3000 K will be

$${3 \over 2}{\lambda _m}$$

$${2 \over 3}{\lambda _m}$$

$${{16} \over {81}}{\lambda _m}$$

$${{81} \over {16}}{\lambda _m}$$

NEET Subjects

Biology

Botany

Zoology

Human Health and Diseases Body Fluids and Its Circulation Locomotion and Movement Neural Control and Coordination Reproduction in Organisms Reproductive Health Structural Organisation in Animals Digestion and Absorption Excretory Products and Their Elimination Chemical Coordination and Integration Human Reproduction Animal Kingdom Breathing and Exchange of Gases Evolution