1
TS EAMCET 2020 (Online) 14th September Evening Shift
MCQ (Single Correct Answer)
+1
-0

All gases deviate from gas laws at

A

low pressure and high temperature

B

high pressure and low temperature

C

low pressure and low temperature

D

high pressure and high temperature

2
TS EAMCET 2020 (Online) 14th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

Assertion A thermos bottle consists of a double walled glass vessel with the space between the two walls evacuated, so that the heat transfer between the contents of the bottle and outside is minimised.

Reason The vacuum between the two walls inhibits the heat transfer by radiation mechanism.

Which of the following is correct?

A

Assertion is true, Reason is true and Reason is the correct explanation for Assertion.

B

Assertion is true, Reason is true but Reason is not the correct explanation for Assertion.

C

Assertion is true but Reason is false.

D

Assertion is false but Reason is true.

3
TS EAMCET 2020 (Online) 14th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

How much heat energy is supplied when 5 kg of water at $20^{\circ} \mathrm{C}$ is brought to its boiling point? (Assume, specific heat of water $=4.2 \mathrm{~J} / \mathrm{g}^{\circ} \mathrm{C}$ )

A

1680 kJ

B

1740 kJ

C

1680 J

D

1740 J

4
TS EAMCET 2020 (Online) 14th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

What is the name of ideal-gas process in which no heat is transferred?

A

Isochoric

B

Isothermal

C

Isobaric

D

Adiabatic

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