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

A layer of atmosphere that reflects medium frequency radio waves which is ineffective during night, is

A
F-layer
B
E-layer
C
stratosphere
D
thermosphere
2
MHT CET 2019 2nd May Morning Shift
MCQ (Single Correct Answer)
+1
-0

A transverse wave is propagating on the string. The linear density of a vibrating string is $10^{-3} \mathrm{~kg} / \mathrm{m}$. The equation of the wave is $Y=0.05 \sin (x+15 t)$ where $x$ and $Y$ are measured in metre and time in second. The tension force in the string is

A
0.2 N
B
0.250 N
C
0.225 N
D
0.325 N
3
MHT CET 2019 2nd May Morning Shift
MCQ (Single Correct Answer)
+1
-0

The kinetic energy of a revolving satellite (mass $m$ ) at a height equal to thrice the radius of the earth $(R)$ is

A
$\frac{m g R}{8}$
B
$\frac{m g R}{16}$
C
$\frac{m g R}{2}$
D
$\frac{m g R}{4}$
4
MHT CET 2019 2nd May Morning Shift
MCQ (Single Correct Answer)
+1
-0

A particle executes the simple harmonic motion with an amplitude ' $A$ '. The distance travelled by it in one periodic time is

A
$\frac{A}{2}$
B
$A$
C
$2 A$
D
$4 A$
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