1
WB JEE 2008
MCQ (Single Correct Answer)
+1
-0.25

Which of the following substances has the highest elasticity?

A
Steel
B
Copper
C
Rubber
D
Sponge
2
WB JEE 2008
MCQ (Single Correct Answer)
+1
-0.25

A wire is stretched under a force. If the wire suddenly snaps the temperature of the wire

A
remains the same
B
decreases
C
increases
D
first decreases then increases
3
WB JEE 2008
MCQ (Single Correct Answer)
+1
-0.25

A beaker of radius 15 cm is filled with a liquid of surface tension 0.075 N/m. Force across an imaginary diameter on the surface of the liquid is

A
0.075 N
B
1.5 $$\times$$ 10$$-$$2 N
C
0.225 N
D
2.25 $$\times$$ 10$$-$$2 N
4
WB JEE 2008
MCQ (Single Correct Answer)
+1
-0.25

A piece of wood is floating in water. When the temperature of water rises, the apparent weight of the wood will

A
increase
B
decrease
C
may increase or decrease
D
remain same
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Medical
NEET
Graduate Aptitude Test in Engineering
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CBSE
Class 12