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Assertion: Oil spreads on cold water . ...

Assertion: Oil spreads on cold water .
Reason : The surface tension of oil is graater than that of cold water .

A

Asseration is True ,Reason is True , Reason is a correct explanation for Asseration

B

Assertion is True , reason is true, reason is not a is not a correct explanation for assrtion

C

Assertion is True , Reason is False

D

Assertion is False but , Reason is True .

Text Solution

Verified by Experts

The correct Answer is:
C
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TARGET PUBLICATION-SURFACE TENSION -CRITICAL THINKING
  1. Fc and FA denote cohesive and adhesive forces on a liquid molecule nea...

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  2. Statement I: Surface tension has the same units as force gradient. S...

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  3. Assertion: Oil spreads on cold water . Reason : The surface tension ...

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  4. The surface tension of water in C.G.S units is 70 dyne / cm . Its S.I ...

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  5. A square wire frame of size L is dipped in a liquid . On taking out ,...

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  6. The maximum force in addition to the weight required to pull a wire fr...

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  7. A disc of paper of radius R is floating on the surface of water of sur...

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  8. Water rises in a capillary tube upto a certain height such that the u...

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  9. A wire ring of diameter 14cm is gently lowered on to a liquid surface ...

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  10. A ring of radius 0.75 cm is floating on the surface of water . If sur...

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  11. A glass tube of internal diameter 3.5cm and thickness 0.5 cm is held ...

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  12. Two glass plates are separated by water. If surface tension of water i...

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  13. A clean glass plate of length 9.8 cm , breadth 4 cm an thicness 0.2...

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  14. Two drops of soap equal radius r coalesce to form a single drop under...

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  15. Assertion : if work done in increasing th size of a soap film from 1...

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  16. The surface tension of soap is T . The work done in blowing a soap bu...

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  17. The work done in blowing a soap bubble of radius r of the solution of ...

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  18. If work W is done in blowing a bubble of radius R from a soap solution...

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  19. Energy needed in breaking a drop of radius R into n drops of radii r i...

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  20. The work done in increasing the size of a soap film from 10 cm × 6 cm ...

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