List of top Physics Questions

At a place the angle of dip is $30^{\circ}$ . If the horizontal component of the earth?s magnetic field is $H$, then the total field intensity is
A bullet is fired with a gun from a tower horizontally with a velocity $400\, m s^{-1}$. At the same time a stone is dropped from the same tower. Then
A boy walks on a straight road from his home to a market $2.5\, km$ with a speed of $5 \,km \,h^{-1}$. Finding the market closed he instantly turns and walks back with a speed of $7.5\, km\, h^{-1}$. What is the average speed and average velocity of the boy between $t = 0$ to $t = 50\, min$ ?
A branch of physics dealing with motion without considering its causes is known as
A boy peddles a stationary bicycle the pedals of the bicycle are attached to a $200$ turn coil of area $0.10\, m^{2}$. The coil rotates at half a revolution per second and it is placed in a uniform magnetic field of $0.02 \,T$ perpendicular to the axis of rotation of the coil. The maximum voltage generated in the coil is
The following table is truth table for
A bomb is dropped from an aeroplane flying horizontally with uniform speed. The path of the bomb is
A body under three concurrent forces is in equilibrium. The resultant of any two forces
A book is lying on the table. What is the angle between the action of the book on the table and the reaction of the table on the book?
A bomb of 12 kg explodes into two pieces of masses 4 kg and 8 kg. The velocity of 8 kg mass is $6 ms^{-1}$. The kinetic energy of the other mass is
A body starting with a velocity 'v' returns to its initial position after 't' second with the same speed, alone the same line acceleration of the particle is
A body travels for 15 seconds starting from rest with constant acceleration. If it travels distances $S_1,\, S_2$ and $S_3$ in the first five seconds, second five seconds and next five seconds respectively, then the relation between $S_1,\, S_2$ and $S_3$ is
A body travels uniformly a distance of $(13.8 ? 0.2)\, m$ in a time $(4.0 ? 0.3) \,s$. Its velocity with error limits is
A body starting from rest moving with uniform acceleration has a displacement of 16 m in first 4 s and 9 m in first 3 s. The acceleration of the body is
A body of mass $M$ is dropped from a height $h$ on a sand floor. If the body penetrates $x\, cm$ into the sand, the average resistance offered by the sand to the body is
A body of mass 6 kg is acted upon by a force which causes a displacement in it given by x =$\frac{t^2}{4}$ metre, where $t$ is the time in second. The work done by the force in 2 s is
A body of mass $2\, kg$ travels according to the law $x\left(t\right)$ $=pt+qt^{2}+rt^{3}$ where $p=3 \,ms^{-1}$, $q=4\,ms^{-2}$ and $r=5 \,ms^{-3}$. The force acting on the body at $t=2$ seconds is
A body of mass 2 kg, initially at rest, is moved by 3 m along the horizontal by a force of 10 N acting at an angle of $60^?$ with the horizontal. The kinetic energy gained by the body is
A body moves $6\,m$ north, $8\,m$ east and $10\,m$ vertically upwards, the resultant displacement from its initial position is
A body moving with uniform velocity is in equilibrium.
A body is released from the top of the tower H metre high. It takes t second to reach the ground. Where is the body after t/2 second of release ?
A body is rotating with angular velocity $\overrightarrow{\omega}=\left(3\hat{i}-4\hat{j}+\hat{k}\right)$. The linear velocity of a point having position vector $\overrightarrow{r}=\left(5\hat{i}-6\hat{j}+6\hat{k}\right)$ is
A body is moving under the action of two forces $\vec{F}_{1}$ $=2 \hat{i}$ $-5 \hat{j} ;$ $\vec{F}_{2}$ $=3 \hat{i}$ $-4 \hat{j}.$ Its velocity will become uniform under a third force $\vec{F}_{3}$ given by
A body is moving in a circular path with a constant speed. it has
A body is just floating on the surface of liquid. The density of the body is same as that of the liquid. The body is slightly pushed down. Then it will