1
KCET 2026
MCQ (Single Correct Answer)
+1
-0
In thermodynamic processes, which of the following statements is not true?
A
In an isothermal process, the temperature remains constant
B
In an isobaric process, the volume remains constant
C
In an adiabatic process, the system is insulated from the surroundings
D
In an adiabatic process, $PV^\gamma = $ a constant
2
KCET 2026
MCQ (Single Correct Answer)
+1
-0
The graph of pressure P and volume V of $1$ mole of an ideal gas at constant temperature is
A
B
C
D
3
KCET 2026
MCQ (Single Correct Answer)
+1
-0
A mass of $1$ kg is executing SHM. Its displacement is given by $x = 6.0\cos(100t + \pi/4)$ cm. What is the maximum kinetic energy?
A
$3$ J
B
$6$ J
C
$9$ J
D
$18$ J
4
KCET 2026
MCQ (Single Correct Answer)
+1
-0
A source of frequency $\nu$ gives $6$ beats/second when sounded with a source of frequency $200$ Hz. The second Harmonic of frequency $2\nu$ of the source gives $8$ beats/second when sounded with a source of frequency $420$ Hz. The value of $\nu$ is
A
$205$ Hz
B
$206$ Hz
C
$195$ Hz
D
$210$ Hz