Electromagnetism
Current Electricity
MCQ (Single Correct Answer)
Moving Charges and Magnetism
MCQ (Single Correct Answer)
Magnetism and Matter
MCQ (Single Correct Answer)
Electromagnetic Waves
MCQ (Single Correct Answer)
Electromagnetic Induction
MCQ (Single Correct Answer)
Alternating Current
MCQ (Single Correct Answer)
Modern Physics
Dual Nature of Radiation
MCQ (Single Correct Answer)
Semiconductor Devices and Logic Gates
MCQ (Single Correct Answer)
Communication Systems
MCQ (Single Correct Answer)
1
MHT CET 2023 14th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Two spherical soap bubbles of radii '$$a$$' and '$$b$$' in vacuum coalesce under isothermal conditions. The resulting bubble has a radius equal to

A
$$a+b$$
B
$$\frac{a+b}{2}$$
C
$$\sqrt{a^2+b^2}$$
D
$$\frac{a+b}{a b}$$
2
MHT CET 2023 14th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

1000 small water drops of equal size combine to form a big drop. The ratio of final surface energy to the total initial surface energy is

A
$$10: 1$$
B
$$1: 10$$
C
$$1000: 1$$
D
$$1: 1000$$
3
MHT CET 2023 14th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

It is easier to spray water to which soap is added because addition of soap to water

A
decreases surface tension of water
B
increases surface tension of water.
C
makes surface tension of water zero.
D
increases its density.
4
MHT CET 2023 14th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

By adding soluble impurity in a liquid, angle of contact

A
decreases
B
increases
C
remains unchanged
D
first increases and then decreases
Questions Asked from MCQ (Single Correct Answer)
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