1
MHT CET 2024 9th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

The P-V diagrams for particular gas of different thermodynamic processes are given by

MHT CET 2024 9th May Evening Shift Physics - Heat and Thermodynamics Question 70 English

A
Figure (a) and (b) show isobaric curve and isothermal curve respectively.
B
Figure (a) and (c) show isothermal curve and isochoric curve respectively.
C
Figure (b) and (c) show isobaric curve and isochoric curve respectively.
D
Figure (a) and (c) show isothermal curve and isobaric curve respectively.
2
MHT CET 2024 9th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

A musical instrument ' $P$ ' produces sound waves of frequency ' $n$ ' and amplitude ' $A$ '. Another musical instrument ' $Q$ ' produces sound waves of frequency $\frac{\mathrm{n}}{4}$. The waves produced by ' $P$ ' and ' $Q$ ' have equal energies. If the amplitude of waves produced by ' $P$ ' is ' $A_P$ ', the amplitude of waves produced by ' $Q$ ' will be

A
$2 \mathrm{~A}_{\mathrm{P}}$
B
$4 \mathrm{~A}_{\mathrm{P}}$
C
  $6 \mathrm{~A}_{\mathrm{p}}$
D
$9 \mathrm{~A}_{\mathrm{P}}$
3
MHT CET 2024 9th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Concave and convex lenses are placed touching each other. The ratio of magnitudes of their power is $2: 3$. The focal length of the system is 30 cm . The focal lengths of individual lens are

A
$5 \mathrm{~cm},-10 \mathrm{~cm}$
B
$10 \mathrm{~cm},-15 \mathrm{~cm}$
C
$10 \mathrm{~cm},-20 \mathrm{~cm}$
D
$20 \mathrm{~cm},-30 \mathrm{~cm}$
4
MHT CET 2024 9th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

The figure shows the variation of photocurrent with anode potential for four different radiations. Let $f_a, f_b, f_c$ and $f_d$ be the frequencies for the curves $a, b, c$ and $d$ respectively

MHT CET 2024 9th May Evening Shift Physics - Dual Nature of Radiation Question 25 English

A
$\mathrm{f_a>f_b>f_c>f_d}$
B
$\mathrm{f}_{\mathrm{a}}<\mathrm{f}_{\mathrm{b}}<\mathrm{f}_{\mathrm{c}}<\mathrm{f}_{\mathrm{d}}$
C
$\mathrm{f}_{\mathrm{a}}>\mathrm{f}_{\mathrm{b}}<\mathrm{f}_{\mathrm{c}}=\mathrm{f}_{\mathrm{d}}$
D
$\mathrm{f_a=f_b>f_c>f_d}$
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