1
MHT CET 2019 2nd May Morning Shift
MCQ (Single Correct Answer)
+1
-0

A clock pendulum having coefficient of linear expansion. $\alpha=9 \times 10^{-7} /{ }^{\circ} \mathrm{C}^{-1}$ has a period of 0.5 s at $20^{\circ} \mathrm{C}$. If the clock is used in a climate, where the temperature is $30^{\circ} \mathrm{C}$, how much time does the clock lose in each oscillation? ( $g=$ constant)

A
$25 \times 10^{-7} \mathrm{~s}$
B
$5 \times 10^{-7} \mathrm{~s}$
C
$1.125 \times 10^{-6} \mathrm{~s}$
D
$2.25 \times 10^{-6} \mathrm{~s}$
2
MHT CET 2019 2nd May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Two capillary tubes of different diameters are dipped in water. The rise of water is

A
zero in both the tubes.
B
same in both the tubes.
C
more in the tube of larger diameter.
D
more in the tube of smaller diameter.
3
MHT CET 2019 2nd May Morning Shift
MCQ (Single Correct Answer)
+1
-0

A thin hollow prism of refracting angle $3^{\circ}$, filled with water gives a deviation of $1^{\circ}$. The refractive index of water is

A
1.59
B
1.33
C
1.46
D
1.51
4
MHT CET 2019 2nd May Morning Shift
MCQ (Single Correct Answer)
+1
-0

A body is projected vertically from the surface of the earth of radius ' $R$ ' with velocity equal to half of the escape velocity. The maximum height reached by the body is

A
$\frac{R}{5}$
B
$\frac{R}{3}$
C
$\frac{R}{2}$
D
$\frac{R}{4}$
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