1
MHT CET 2024 15th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

The pulleys and strings shown in figure are smooth and of negligible mass. For the system to remain in equilibrium, angle $\theta$ should be

MHT CET 2024 15th May Morning Shift Physics - Laws of Motion Question 2 English

A
$\cos ^{-1}(1)$
B
$\cos ^{-1}\left(\frac{\sqrt{3}}{2}\right)$
C
$\cos ^{-1}\left(\frac{1}{2}\right)$
D
$\cos ^{-1}\left(\frac{1}{\sqrt{2}}\right)$
2
MHT CET 2024 15th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

In biprism experiment, the fringe width is 0.6 mm . The distance between $6^{\text {th }}$ dark fringe and $8^{\text {th }}$ bright fringe on the same side of central bright fringe is

A
6 mm
B
4 mm
C
1.5 mm
D
0.9 mm
3
MHT CET 2024 15th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

A radioactive substance has half-life of 60 minute. During 3 hour, the amount of substance decayed would be

A
$8.5 \%$
B
$25 \%$
C
$12.5 \%$
D
$87.5 \%$
4
MHT CET 2024 15th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

A horizontal platform with a small object placed on it executes a linear S.H.M. in the vertical direction. The amplitude of oscillation is 40 cm . What should be the least period of these oscillations, so that the object is not detached from the platform? [Take $\mathrm{g}=10 \mathrm{~m} / \mathrm{s}^2$]

A
$0.2 \pi \mathrm{~s}$
B
$0.3 \pi \mathrm{~s}$
C
$0.4 \pi \mathrm{~s}$
D
$0.5 \pi \mathrm{~s}$
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