Electromagnetism
Current Electricity
MCQ (Single Correct Answer)
Moving Charges and Magnetism
MCQ (Single Correct Answer)
Magnetism and Matter
MCQ (Single Correct Answer)
Electromagnetic Induction
MCQ (Single Correct Answer)
Alternating Current
MCQ (Single Correct Answer)
Electromagnetic Waves
MCQ (Single Correct Answer)
Modern Physics
Dual Nature of Radiation
MCQ (Single Correct Answer)
Semiconductor Devices and Logic Gates
MCQ (Single Correct Answer)
1
BITSAT 2021
MCQ (Single Correct Answer)
+3
-1

An ideal monoatomic gas is taken round the cycle ABCDA as shown in the p-diagram

BITSAT 2021 Physics - Heat and Thermodynamics Question 15 English

The work done during the cycle is

A
pV
B
2pV
C
$${{pV} \over 2}$$
D
zero
2
BITSAT 2021
MCQ (Single Correct Answer)
+3
-1

Which of the following graphs show the correct relation between conductivity and temperature for a metallic conductor?

A
BITSAT 2021 Physics - Heat and Thermodynamics Question 14 English Option 1
B
BITSAT 2021 Physics - Heat and Thermodynamics Question 14 English Option 2
C
BITSAT 2021 Physics - Heat and Thermodynamics Question 14 English Option 3
D
BITSAT 2021 Physics - Heat and Thermodynamics Question 14 English Option 4
3
BITSAT 2021
MCQ (Single Correct Answer)
+3
-1

The ratio of the specific heats $${{{C_v}} \over {{C_p}}} = {1 \over \gamma }$$ in terms of degrees of freedom (n) is given by

A
$$\left( {1 + {n \over 3}} \right)$$
B
$$\left( {1 + {2 \over n}} \right)$$
C
$$\left( {1 + {n \over 2}} \right)$$
D
$$\left( {1 + {1 \over n}} \right)$$
4
BITSAT 2020
MCQ (Single Correct Answer)
+3
-1

A black body radiates energy at the rate E Wm$$-$$2 at high temperature TK. When the temperature is reduced to $$\left( {{T \over 4}} \right)$$ K, the new radiant energy is

A
$${E \over {256}}$$
B
4E
C
$${E \over {4}}$$
D
$${E \over {16}}$$
BITSAT Subjects
English Proficiency