Theory

CH17 - ELECTRIC FIELDS

Two vertical parallel metal plates are situated 2.50 cm apart in a vacuum. The potential difference between the plates is 350V, as shown in Fig. 6.1.A...

2009 Summer

MCQ

CH17 - ELECTRIC FIELDS

A small charge $q$ is placed in the electric field of a large charge $Q$. Both charges experience a force $F$. What is the electric field strength o...

2009 Winter

MCQ

CH17 - ELECTRIC FIELDS

The diagram shows two parallel horizontal metal plates held at a potential difference \( V \). A small charged liquid drop, midway between the plat...

2009 Winter

MCQ

CH17 - ELECTRIC FIELDS

The electric field at a certain distance from an isolated alpha particle is $3.0 \times 10^{7} \text{NC}^{-1}$. What is the force on an electron when...

2009 Winter

Theory

CH17 - ELECTRIC FIELDS

(a) Define electric potential at a point. ..............................................................................................................

2009 Winter

MCQ

CH17 - ELECTRIC FIELDS

Which row describes the circumstances under which forces act on a charged particle in a uniform electric field?  

2010 Summer

MCQ

CH17 - ELECTRIC FIELDS

The diagram shows two points P and Q which lie, 90\(^\circ\) apart, on a circle of radius \(r\). A positive point charge at the centre of the circle ...

2010 Summer

MCQ

CH17 - ELECTRIC FIELDS

Two oppositely-charged parallel plates are arranged as shown. An electron is released from rest from the surface of the negatively-charged plate. ...

2010 Summer

MCQ

CH17 - ELECTRIC FIELDS

In the diagram, the shaded area represents a uniform electric field directed away from the observer (at right-angles into the plane of the paper). ...

2010 Summer

MCQ

CH17 - ELECTRIC FIELDS

Two oppositely-charged parallel plates are arranged as shown. An electron is released from rest from the surface of the negatively-charged plate. T...

2010 Summer

MCQ

CH1 - PHYSICAL QUANTITIES & UNITS

Which is an SI base unit?

2015 Summer

MCQ

CH1 - PHYSICAL QUANTITIES & UNITS

Which pair contains one vector and one scalar quantity?

2015 Summer

MCQ

CH1 - PHYSICAL QUANTITIES & UNITS

When a constant braking force is applied to a vehicle moving at speed $v$, the distance $d$ moved by the vehicle in coming to rest is given by the exp...

2015 Summer

MCQ

CH2 - MEASUREMENT TECHNIQUES

A whale produces sound waves of frequency 5 Hz. The waves are detected by a microphone and displayed on an oscilloscope. What is the time-base setting...

2015 Summer

MCQ

CH2 - MEASUREMENT TECHNIQUES

The angular deflection of the needle of an ammeter varies with the current in the ammeter as shown in the graph. Which diagram could represent the ap...

2015 Summer

MCQ

CH2 - MEASUREMENT TECHNIQUES

The strain energy $W$ of a spring is determined from its spring constant $k$ and extension $x$. The spring obeys Hooke's law and the value of $W$ is c...

2015 Summer

MCQ

CH3 - KINEMATICS

A sphere is released and falls. Its initial acceleration reduces until it eventually begins to travel at constant terminal velocity. Which displacemen...

2015 Summer

MCQ

CH3 - KINEMATICS

An insect jumps with an initial vertical velocity of 1.0 $\text{m s}^{-1}$, reaching a maximum height of 3.5 $\times 10^{-2} \text{m}$. Assume the dec...

2015 Summer

MCQ

CH3 - KINEMATICS

A body having uniform acceleration $a$ increases its velocity from $u$ to $v$ in time $t$. Which expression would not give a correct value for the bo...

2015 Summer

MCQ

CH4 - DYNAMICS

What is a reasonable estimate of the average gravitational force acting on a fully grown woman standing on the Earth?

2015 Summer