Physics 1st Paper MCQ-Cumilla Board-2023

1. The graph between the distance d from the center of the earth to a point inside the earth versus gravitational acceleration g' is

2. Relation between pressure P, volume V and kinetic energy E of confined gas is-.

3. If $|\hat{a}+\hat{b}|=\sqrt{3}$, then the angle between $\hat{a}$ and $\hat{b}$ -

4. A car is moving through a circular plane of radius 400m with velocity 40 m/s. If the mass of the car is 1100 kg, then frictional force is-

5. According to Boyle's law, if $\mathrm{T}_{1}>\mathrm{T}_{2}>\mathrm{T}_{3}$ which one of the following graphs is correct?