Inter 1st Year Physics Important Questions Chapterwise. We covered all the Inter 1st Year Physics Important Questions Chapterwise in this post for free so that you can practice well for the exam.
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Inter 1st Year Physics Important Objective Questions Chapterwise for Students
Water rises in plant fibres due to
(a) capillarity
(b) viscosity
(c) fluid pressure
(d) osmosis
Option a – capillarity
If the liquid level falls in a capillary then the radius of the capillary will
(a) increase
(b) decrease
(c) remain unchanged
(d) None of the above
Option a – increase
Cohesive force is experienced between
(a) magnetic substances
(b) molecules of different substances
(c) molecules of the same substance
(d) None of the above
Option c – molecules of the same substance
Writing on a blackboard with a piece of chalk is possible due to the property of
(a) adhesive force
(b) cohesive force
(c) surface tension
(d) viscosity
Option b – cohesive force
A liquid does not wet the sides of a solid if the angle of contact is
(a) zero
(b) obtuse (more than 90 degrees)
(c) acute
(d) 90 degrees
Option b – obtuse (more than 90 degrees)
When the temperature increases, the angle of contact of the liquid
(a) decreases
(b) increases
(c) remains the same
(d) None of the above
Option a – decreases
The excess pressure inside a dropper bubble is
(a) directly proportional to its radius
(b) inversely proportional to its surface tension
(c) directly proportional to its mass
(d) inversely proportional to its radius
Option d – inversely proportional to its radius
Two capillary tubes of different diameters are dipped in water. The rise of water is
(a) the same in both tubes
(b) greater in the tube of smaller diameter
(c) greater in the tube of larger diameter
(d) None of the above
Option b – greater in the tube of smaller diameter
We covered all the inter 1st year physics important questions chapterwise above in this post for free so that you can practice well for the exam.
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