11th Physics Guide in Tamil Medium. We covered all the 11th Physics Guide in Tamil Medium MCQs in this post for free so that you can practice well for the exam.
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11th Physics Guide in Tamil Medium Objective for Students
A shaving brush is dipped in water. When taken out, the hairs of the brush are seen to be drawn together due to:
(a) the surface tension of water
(b) viscosity of water
(c) elasticity of the hairs of the brush
(d) temperature difference between air and water
Option a - the surface tension of water
A body is acted upon by two unequal forces in opposite directions, but not in one line. The effect is that the body will have:
(a) only rotational motion
(b) only translational motion
(c) neither rotational nor translational motion
(d) both rotational and translational motion
Option d - both rotational and translational motion
1 nm is equivalent to:
(a) 10 Å
(b) 100 Å
(c) 10 μm
(d) 0.1 mm
Option a - 10 Å
An artificial satellite can be tracked very precisely from the earth by using:
(a) Doppler effect
(b) Radar
(c) Sonar
(d) Pulsar
Option a - Doppler effect
If an unsaturated sugar solution is prepared by mixing 100 grams of sugar with half a liter of water, which of the following physical quantities will not change?
(a) mass
(b) density
(c) concentration
(d) volume
Option d - volume
The electric appliances in a house are connected:
(a) in series
(b) in parallel
(c) either in series or in parallel
(d) both in series and in parallel
Option b - in parallel
'Red' is used as a danger signal because:
(a) blood is red
(b) red light is scattered least by the air molecules
(c) the red color is easily available
(d) red color is soothing for the eye
Option b - red light is scattered least by the air molecules
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