1
JEE Main 2016 (Online) 9th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
A cubical block of side 30 cm is moving with velocity 2 ms−1 on a smooth horizontal surface. The surface has a bump at a point O as shown in figure. The angular velocity (in rad/s) of the block immediately after it hits the bump, is :

JEE Main 2016 (Online) 9th April Morning Slot Physics - Rotational Motion Question 159 English
A
5.0
B
6.7
C
9.4
D
13.3
2
JEE Main 2016 (Online) 9th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
The ratio of work done by an ideal monoatomic gas to the heat supplied to it in an isobaric process is :
A
$${3 \over 5}$$
B
$${2 \over 3}$$
C
$${3 \over 2}$$
D
$${2 \over 5}$$
3
JEE Main 2016 (Online) 9th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
200 g water is heated from 40oC to 60oC. Ignoring the slight expansion of water, the change in its internal energy is close to (Given specific heat of water = 4184 J/kg/K) :
A
8.4 kJ
B
4.2 kJ
C
16.7 kJ
D
167.4 kJ
4
JEE Main 2016 (Online) 9th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language
Two engines pass each other moving in opposite directions with uniform speed of 30 m/s. One of them is blowing a whistle of frequency 540 Hz. Calculate the frequency heard by driver of second engine before they pass each other. Speed of sound is 330 m/sec :
A
450 Hz
B
540 Hz
C
648 Hz
D
270 Hz
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