If the radius of soap bubble is doubled then its capacitance will

1) Doubled
2)Halved
3)decreased by 100%
4)increased by 50%

If the radius a sphere becomes double, then find the percentage increase in the surface.

If each side of a triangle is doubled, then find percentage increase in its area.

The radius of a soap bubble whose potential is 16 V is doubled. The new potential of the bubble is

Assertion: The distance between the parallel plates of a capacitor is halved, then its capacitance is doubled. Reason: The capacitance depends on the introduced dielectric.

What number is yielded when 800 is increased by 50% and then decreased by 30% ?

The radius R of the soap bubble is doubled under isothermal condition. If T be the surface tension of soap bubble. The work done in doing so it given by

In January, the value of a stock increased by 25%, and in February, it decreased by 20%. In March, it increased by 50% , and in April, it decreased by 40%. If Jack invested $80 in the stock on January 1 and sold it at the end of April, what was the percentage change in the price of the stock?

The radius of a solid right circular cylinder decreases by 20% and its height increases by 10%. Find the percentage change in its : curved surface area

The radius of a solid right circular cylinder decreases by 20% and its height increases by 10%. Find the percentage change in its : volume

The work done in increasing the radius of a soap bubble from R to 3 R is