1
TS EAMCET 2022 (Online) 20th July Evening Shift
MCQ (Single Correct Answer)
+1
-0

A gas system is taken through the thermodynamic cyclic process $1 \rightarrow 2 \rightarrow 3 \rightarrow 1$ as shown below. The amount of heat released by the system is

TS EAMCET 2022 (Online) 20th July Evening Shift Physics - Heat and Thermodynamics Question 26 English

A

$-p \frac{V}{2}$

B

$p V$

C

$\frac{p V}{2}$

D

$\frac{-3 p V}{2}$

2
TS EAMCET 2022 (Online) 20th July Evening Shift
MCQ (Single Correct Answer)
+1
-0

An ideal gas at pressure $p$ is enclosed in a container that is placed in a reservoir at temperature $T$. If the volume of the gas is increased to two times its original value, then the new pressure $p^{\prime}=$ $\_\_\_\_$ $p$

A

$1 / 2$

B

2

C

1

D

Cannot be determined

3
TS EAMCET 2022 (Online) 20th July Evening Shift
MCQ (Single Correct Answer)
+1
-0

A cylindrical tube open at both ends has a fundamental frequency $f$ in air. The tube is dipped vertically in water, so that half of it is in water. The new fundamental frequency is

A

$f$

B

$\frac{f}{2}$

C

$2 f$

D

$4 f$

4
TS EAMCET 2022 (Online) 20th July Evening Shift
MCQ (Single Correct Answer)
+1
-0

A convex lens of focal length 25 cm and made of glass with refractive index 1.5 is immersed in water. the absolute change in focal length of the glass is [use refractive index of water $=4 / 3$ ]

A

100 cm

B

37.5 cm

C

75 cm

D

12.5 cm

TS EAMCET Papers

All year-wise previous year question papers