NEET 2024 Question Paper Mock Test

A sheet is placed on a horizontal surface in front of a strong magnetic pole. A force is needed to:A. hold the sheet there if it is magnetic.B. hold the sheet there if it is non-magnetic.C. move the sheet away from the pole with uniform velocity if it is conducting.D. move the sheet away from the pole with uniform velocity if it is both, non-conducting and non-polar.Choose the correct statement(s):

If the plates of a parallel plate capacitor connected to a battery are moved close to each other, then:A. the charge stored in it, increases.B. the energy stored in it, decreases.C. its capacitance increases.D. the ratio of charge to its potential remains the same.E. the product of charge and voltage increases.Choose the most appropriate answer:

Two heaters A and B have power rating of $1\text{kW}$ and $2\text{kW}$, respectively. Those two are first connected in series and then in parallel to a fixed power source. The ratio of power outputs for these two cases is:

A small telescope has an objective of focal length $140\text{cm}$ and an eye piece of focal length $5.0\text{cm}$. The magnifying power of telescope for viewing a distant object is:

A force defined by $F=a{t}^2+bt$ acts on a particle at a given time $t$. The factor which is dimensionless, if $a$ and $b$ are constants, is: