Maths-
General
Easy
Question
An incomplete frequency distribution is given below Median value is 46, the missing frequency is
- 33.5
- 35
- 34
- 26
The correct answer is: 34
Median which lies in 40—50 class
Median
Where frequency of class 30—40
Related Questions to study
Physics-
In the adjacent diagram, CP represents a wave front and AO & BP, the corresponding two rays. Find the condition on q for constructive interference at P between the ray BP and reflected ray OP
In the adjacent diagram, CP represents a wave front and AO & BP, the corresponding two rays. Find the condition on q for constructive interference at P between the ray BP and reflected ray OP
Physics-General
Physics-
A thin slice is cut out of a glass cylinder along a plane parallel to its axis. The slice is placed on a flat glass plate as shown. The observed interference fringes from this combination shall be
A thin slice is cut out of a glass cylinder along a plane parallel to its axis. The slice is placed on a flat glass plate as shown. The observed interference fringes from this combination shall be
Physics-General
Physics-
A ray of light of intensity I is incident on a parallel glass-slab at a point A as shown in fig. It undergoes partial reflection and refraction. At each reflection 25% of incident energy is reflected. The rays AB and A'B' undergo interference. The ratio is
A ray of light of intensity I is incident on a parallel glass-slab at a point A as shown in fig. It undergoes partial reflection and refraction. At each reflection 25% of incident energy is reflected. The rays AB and A'B' undergo interference. The ratio is
Physics-General
Physics-
AB is incident wave front on mirror R and mirror S whereas PQ and is reflected wave front from mirror R and mirror S respectively. Choose the correct statement
AB is incident wave front on mirror R and mirror S whereas PQ and is reflected wave front from mirror R and mirror S respectively. Choose the correct statement
Physics-General
Physics-
In the diagram shown, the separation between the slit is equal to where is the wavelength of the light incident on the plane of the slits A thin film of thickness and refractive index 2 has been placed in the front of the upper slit. Assuming the distance of the central maxima on the screen from O is:
In the diagram shown, the separation between the slit is equal to where is the wavelength of the light incident on the plane of the slits A thin film of thickness and refractive index 2 has been placed in the front of the upper slit. Assuming the distance of the central maxima on the screen from O is:
Physics-General
Physics-
Three weight A, B and C are connected by string as shown in the figure. The system moves over a frictionless pulley. The tension in the string connecting A and B is (where g is acceleration due to gravity)
Three weight A, B and C are connected by string as shown in the figure. The system moves over a frictionless pulley. The tension in the string connecting A and B is (where g is acceleration due to gravity)
Physics-General
Physics-
As shown in the figure, two equal masses each of 2 kg are suspended from a spring balance. The reading of the spring balance will be
As shown in the figure, two equal masses each of 2 kg are suspended from a spring balance. The reading of the spring balance will be
Physics-General
Physics-
Figures I, II, III and IV depict variation of force with time
I)
II)
III)
IV)
The impulse is highest in the case of situations depicted. Figure
Figures I, II, III and IV depict variation of force with time
I)
II)
III)
IV)
The impulse is highest in the case of situations depicted. Figure
Physics-General
Physics-
The variation of momentum with time of one of the body in a two body collision is shown in fig. The instantaneous force is maximum corresponding to point
The variation of momentum with time of one of the body in a two body collision is shown in fig. The instantaneous force is maximum corresponding to point
Physics-General
Physics-
A body of mass 3kg is acted on by a force which varies as shown in the graph below. The momentum acquired is given by
A body of mass 3kg is acted on by a force which varies as shown in the graph below. The momentum acquired is given by
Physics-General
Physics-
A particle of mass m, initially at rest, is acted upon by a variable force F for a brief interval of time T. It begins to move with a velocity u after the force stops acting. F is shown in the graph as a function of time. The curve is a semicircle.
A particle of mass m, initially at rest, is acted upon by a variable force F for a brief interval of time T. It begins to move with a velocity u after the force stops acting. F is shown in the graph as a function of time. The curve is a semicircle.
Physics-General
Physics-
A particle of mass m moving with velocity u makes an elastic one dimensional collision with a stationary particle of mass m. They are in contact for a very short time T. Their force of interaction increases from zero to F0 linearly in time T/2, and decreases linearly to zero in further time T/2. The magnitude of F0 is
A particle of mass m moving with velocity u makes an elastic one dimensional collision with a stationary particle of mass m. They are in contact for a very short time T. Their force of interaction increases from zero to F0 linearly in time T/2, and decreases linearly to zero in further time T/2. The magnitude of F0 is
Physics-General
Physics-
A body of 2 kg has an initial speed 5ms–1. A force acts on it for some time in the direction of motion. The force time graph is shown in figure. The final speed of the body.
A body of 2 kg has an initial speed 5ms–1. A force acts on it for some time in the direction of motion. The force time graph is shown in figure. The final speed of the body.
Physics-General
Physics-
In the figure given below, the position-time graph of a particle of mass 0.1 Kg is shown. The impulse at is
In the figure given below, the position-time graph of a particle of mass 0.1 Kg is shown. The impulse at is
Physics-General
Maths-
Which of the following graph represents x=5
Which of the following graph represents x=5
Maths-General