Quiz1

Who invented proton?

• Eugen Goldstein

• Ernest Rutherford

• James Chadwick

• Alfred Einstein

Use of dielectric in a capacitor ---- the capacitance

• increases

• decreases

• remains the same

• none of these

The image depicts

• resistivity force

• frictional force

• viscous force

• an impulsive force

Acceleration means ----

• increase in displacement

• decrease in displacement

• increase in velocity

• decrease in velocity

A charged ruler attracts bits of paper due to :

• gravitational force

• magnetic force

• electrostatic force

• frictional force

Friction can be reduced by:

• providing wheels

• lubricating

• streamlining

• All of these

At what angle of projection, the range of the projectile is maximum?

• 30 degree

• 45 degree

• 60 degree

• 90 degree

Which one of the following is a universal gate?

• AND

• OR

• NOT

• NAND