Physics-
General
Easy
Question
A body of mass 5kg is suspended by a spring balance on an inclined plane as shown in figure. The spring balance measure :
- 50 N
- 25 N
- 500 N
- 10 N
The correct answer is: 25 N
Related Questions to study
Physics-
A plumb line is suspended from a ceiling of a car moving with horizontal acceleration of a. What will be the angle of inclination with vertical :
A plumb line is suspended from a ceiling of a car moving with horizontal acceleration of a. What will be the angle of inclination with vertical :
Physics-General
Physics-
A mass of 1 kg is suspended by a string A. Another string C is connected to its lower end (see figure). If a sudden jerk is given to C, then :
A mass of 1 kg is suspended by a string A. Another string C is connected to its lower end (see figure). If a sudden jerk is given to C, then :
Physics-General
Physics-
A bird weighs 2 kg and is inside a closed cage of 1 kg. If it starts flying, then what is the weight of the bird and cage assembly :
A bird weighs 2 kg and is inside a closed cage of 1 kg. If it starts flying, then what is the weight of the bird and cage assembly :
Physics-General
Physics-
Assertion : The coil is bound over the metallic frame in moving coil galvanometer.
Reason : The metallic frame help in making steady deflection without any oscillation.
Assertion : The coil is bound over the metallic frame in moving coil galvanometer.
Reason : The metallic frame help in making steady deflection without any oscillation.
Physics-General
Physics-
Assertion : Free electron always keep on moving in a conductor even then no magnetic force act on them in magnetic field unless a current is passed through it.
Reason : The average velocity of free electron is zero.
Assertion : Free electron always keep on moving in a conductor even then no magnetic force act on them in magnetic field unless a current is passed through it.
Reason : The average velocity of free electron is zero.
Physics-General
Physics-
If m is magnetic moment and B is the magnetic field, then the torque is given by.
If m is magnetic moment and B is the magnetic field, then the torque is given by.
Physics-General
Physics-
Three long, straight and parallel wires carrying currents are arranged as shown in the figure. The wire C which carries a current of 5.0 amp is so placed that it experiences no force. The distance of wire C from wire D is then
Three long, straight and parallel wires carrying currents are arranged as shown in the figure. The wire C which carries a current of 5.0 amp is so placed that it experiences no force. The distance of wire C from wire D is then
Physics-General
Physics-
Two thin long parallel wires separated by a distance b are carrying a current i amp each. The magnitude of the force per unit length exerted by one wire on the other is
Two thin long parallel wires separated by a distance b are carrying a current i amp each. The magnitude of the force per unit length exerted by one wire on the other is
Physics-General
Physics-
A rectangular loop carrying a current i is situated near a long straight wire such that the wire is parallel to the one of the sides of the loop and is in the plane of the loop. If a steady current i is established in wire as shown in figure, the loop will
A rectangular loop carrying a current i is situated near a long straight wire such that the wire is parallel to the one of the sides of the loop and is in the plane of the loop. If a steady current i is established in wire as shown in figure, the loop will
Physics-General
Physics-
Two free parallel wires carrying currents in opposite direction
Two free parallel wires carrying currents in opposite direction
Physics-General
Physics-
A very long straight wire carries a current I. At the instant when a charge +Q at point P has velocity 
, as shown, the force on the charge is
A very long straight wire carries a current I. At the instant when a charge +Q at point P has velocity , as shown, the force on the charge is
Physics-General
Physics-
A proton moving with a velocity, 2.5×107m/s, enters a magnetic field of intensity 2.5T making an angle 30° with the magnetic field. The force on the proton is
A proton moving with a velocity, 2.5×107m/s, enters a magnetic field of intensity 2.5T making an angle 30° with the magnetic field. The force on the proton is
Physics-General
Physics-
A moving charge will gain energy due to the application of.
A moving charge will gain energy due to the application of.
Physics-General
Physics-
Assume that the nuclear binding energy per nucleon (B/A) versus mass number (A) is as shown in the figure. Use this plot to choose the correct choice(s) given below. Figure :
Assume that the nuclear binding energy per nucleon (B/A) versus mass number (A) is as shown in the figure. Use this plot to choose the correct choice(s) given below. Figure :
Physics-General
Physics-
The above is a plot of binding energy per nucleon Eb , agains the nuclear mass M; A, B, C, D, E, correspond to different nuclei. Consider four reactions :
(i) 
(ii) 
(iii) 
and (iv) 
where 
is the energy released? In which reactions is positive?
The above is a plot of binding energy per nucleon Eb , agains the nuclear mass M; A, B, C, D, E, correspond to different nuclei. Consider four reactions :
(i) (ii)
(iii) and (iv)
where is the energy released? In which reactions is positive?
Physics-General
