Home
Class 12
PHYSICS
Statement-1: If an annular disk is heate...

Statement-1: If an annular disk is heated uniformly then outer radius increases but inner radius decreases.
Statement-2: Temperature gradient of a rod is constant in steady state.
Staement-3: Density of metal decreases with increase in temperature.

A

TTT

B

TFT

C

FTT

D

FFF

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • THERMAL PROPERTIES OF MATTER

    AAKASH INSTITUTE|Exercise Assignment (Section-I) Subjective Type Questions|5 Videos

  • THERMAL PROPERTIES OF MATTER

    AAKASH INSTITUTE|Exercise Assignment (Section-J) Akash Challengers Questions|7 Videos

  • THERMAL PROPERTIES OF MATTER

    AAKASH INSTITUTE|Exercise Assignment (Section-E) Integer Answer Type Questions|3 Videos

  • TEST 9

    AAKASH INSTITUTE|Exercise EXAMPLE|61 Videos

  • THERMODYNAMICS

    AAKASH INSTITUTE|Exercise ASSIGNMENT (SECTION -D) (Assertion - Reason Type Questions)|10 Videos

Similar Questions

Explore conceptually related problems

Statement: Threshold energy of a reaction is independent of temperature. Explanation: The energy of activation however decreases with increase in temperature.

Statement I: A small drop of mercury is spherical F bigger drops are oval in shape. Statement II: Surface tension of liquid decreases with increase in temperature.

Statement-1 : If water is heated to 50^(@) C , the pH will increase. Statement-2 : K_(w) increases with increase in temperature.

Statement-1 : Many endothermic reactions that are not spontaneous at room temperature become spontaneous at high temperatures. Statement-2: Energy of the system increases with increase in temperature.

STATEMENT-1: pH of water decreases with increase in temperature. STATEMENT-2 : K_(w) of water decreases with increase in temperature.

Statement -1 : When temperature is incrteased, viscosity of the gas decreases. Statement -2 : With the increase in temperature, the gas becomes lighter.

Statement-1: Machine parts are jammed in winter. Statement-2: The viscosity of lubricant used in machine part decrease at low temperature.

Statement-1 : In a Meter Bridge experiment, null point for an unknown resistance is measured. Now, the unknown resistance is put inside an enclosure maintained at a higher temperature. The null point can be obtained at the same point as before by decreasing the value of the standard resistance. Statement-2 : Resistance of metal increases with increase in temperature.

Statement 1: A tuning fork of constant frequency sends sound waves in air. If temperature of the air increases, then the wavelength of sound wave in air decreases. Statement 2: Speed of sound in air increases with increases in temperature of air