Physics-

General

Easy

Question

# One of the following figures respesents the variation of particle momentum with associated de Broglie wavelength

a)

b)

c)

- a
- b
- c
- d

## The correct answer is: d

### Related Questions to study

physics-

### Two circular discs A and B with equal radii are blackened. They are heated to some temperature and are cooled under identical conditions. What inference do you draw from their cooling curves?

### Two circular discs A and B with equal radii are blackened. They are heated to some temperature and are cooled under identical conditions. What inference do you draw from their cooling curves?

physics-General

physics-

### Which of the curves in figure represents the relation between Celsius and Fahrenheit temperatures

### Which of the curves in figure represents the relation between Celsius and Fahrenheit temperatures

physics-General

Maths-

The area of circle centred at (1, 2) and passing through (4, 6) is

The area of a circle is the space occupied by the circle in a two-dimensional plane. Area of circle = πr^{2} (π = 22/7).

The area of circle centred at (1, 2) and passing through (4, 6) is

Maths-General

The area of a circle is the space occupied by the circle in a two-dimensional plane. Area of circle = πr^{2} (π = 22/7).

physics-

### Three rods of same dimensions are arranged as shown in figure. They have thermal conductivities and . The points and are maintained at different temperatures for the heat to flow at the same rate along and then which of the following options is correct

### Three rods of same dimensions are arranged as shown in figure. They have thermal conductivities and . The points and are maintained at different temperatures for the heat to flow at the same rate along and then which of the following options is correct

physics-General

physics-

### In the following diagram if then

### In the following diagram if then

physics-General

physics-

### The maximum kinetic energy (E_{k} ) of emitted photoelectrons against frequency v of incident radiation is plotted as shown in fig The slope of the graph is equal to

### The maximum kinetic energy (E_{k} ) of emitted photoelectrons against frequency v of incident radiation is plotted as shown in fig The slope of the graph is equal to

physics-General

maths-

In centre of the triangle formed by the lines y = x, y = 3x and y = 8 – 3x is

In centre of the triangle formed by the lines y = x, y = 3x and y = 8 – 3x is

maths-General

physics-

### A lamp rated at 100 cd hangs over the middle of a round table with diameter 3 m at a height of 2 m. It is replaced by a lamp of 25 cd and the distance to the table is changed so that the illumination at the centre of the table remains as before. The illumination at edge of the table becomes X times the original. Then X is

### A lamp rated at 100 cd hangs over the middle of a round table with diameter 3 m at a height of 2 m. It is replaced by a lamp of 25 cd and the distance to the table is changed so that the illumination at the centre of the table remains as before. The illumination at edge of the table becomes X times the original. Then X is

physics-General

physics-

### Five lumen/watt is the luminous efficiency of a lamp and its luminous intensity is 35 candela. The power of the lamp is

### Five lumen/watt is the luminous efficiency of a lamp and its luminous intensity is 35 candela. The power of the lamp is

physics-General

physics-

### Lux is equal to

### Lux is equal to

physics-General

physics-

### A 60 *watt* bulb is hung over the center of a table at a height of 3 *m*. The ratio of the intensities of illumination at a point on the centre of the edge and on the corner of the table is

### A 60 *watt* bulb is hung over the center of a table at a height of 3 *m*. The ratio of the intensities of illumination at a point on the centre of the edge and on the corner of the table is

physics-General

maths-

### If f(x) is a polynomial of degree five with leading coefficient one such that f(1)=1^{2},f(2)=2^{2},f(3)=3^{2},f(4)=4^{2},f(5)=5^{2} then

### If f(x) is a polynomial of degree five with leading coefficient one such that f(1)=1^{2},f(2)=2^{2},f(3)=3^{2},f(4)=4^{2},f(5)=5^{2} then

maths-General

maths-

### If f(x) = ax^{2}+ bx + c such that f(p) + f(q) = 0 where a0 ; p , qR then number of real roots of equation f(x) = 0in interval [p, q] is

### If f(x) = ax^{2}+ bx + c such that f(p) + f(q) = 0 where a0 ; p , qR then number of real roots of equation f(x) = 0in interval [p, q] is

maths-General

maths-

### If f(x) is a differentiable function satisfying f(x+ y)= f(x)f(y) x, y R and f'(0)=2 then f(x)=

### If f(x) is a differentiable function satisfying f(x+ y)= f(x)f(y) x, y R and f'(0)=2 then f(x)=

maths-General

physics-

### Maximum kinetic energy (E_{k} ) of a photoelectron varies with the frequency ( v ) of the incident radiation as

### Maximum kinetic energy (E_{k} ) of a photoelectron varies with the frequency ( v ) of the incident radiation as

physics-General