Physics-

General

Easy

Question

# A ray falls on a prism ABC(AB=BC) and travels as shown in the figure. The minimum refractive, index of the prism material should be.

## The correct answer is:

### Related Questions to study

physics-

### Two parallel light rays are incident at one surface of a prism of refractive index 1.5 as shown in figure. What is the angle between the rays as they emerge ?

### Two parallel light rays are incident at one surface of a prism of refractive index 1.5 as shown in figure. What is the angle between the rays as they emerge ?

physics-General

Maths-

### is decreasing in

### is decreasing in

Maths-General

Maths-

### The interval of increase of the function is

For such questions, we should know different formulas of differentiation.

### The interval of increase of the function is

Maths-General

For such questions, we should know different formulas of differentiation.

physics-

### In experiment of the potentiometer wire of length 100 cm has a resistance of 10, It is connected in series with a resistance R and a cell of emf 2 volts and of negligible internal resistance. A Source of emf 10mV is balanced against a length of 40 cm of the potentiometer wire. What is the value of the external resistance?

### In experiment of the potentiometer wire of length 100 cm has a resistance of 10, It is connected in series with a resistance R and a cell of emf 2 volts and of negligible internal resistance. A Source of emf 10mV is balanced against a length of 40 cm of the potentiometer wire. What is the value of the external resistance?

physics-General

Maths-

### The function is

For such questions, we should check the rules of increasing and decreasing function.

### The function is

Maths-General

For such questions, we should check the rules of increasing and decreasing function.

maths-

### If the function is decreasing in its domain then

### If the function is decreasing in its domain then

maths-General

Maths-

### The function is

We have to see the rules for a increasing and decreasing function.

### The function is

Maths-General

We have to see the rules for a increasing and decreasing function.

maths-

### If then the maximum value of is

### If then the maximum value of is

maths-General

maths-

### The minimum value of the function where is

### The minimum value of the function where is

maths-General

physics-

### In the experiment of potentiometer wire is 100 cm long shown in figure When AC=40 cm, no deflection occurs in the galvanometer. What is the value of R ?

### In the experiment of potentiometer wire is 100 cm long shown in figure When AC=40 cm, no deflection occurs in the galvanometer. What is the value of R ?

physics-General

physics-

### Consider the potentiometer circuit shown. The potentiometer wire is 600 cm long and having restance 15r At what distance from the point A should the jockey touch the wire to get zero deflection in the galvanometer?

### Consider the potentiometer circuit shown. The potentiometer wire is 600 cm long and having restance 15r At what distance from the point A should the jockey touch the wire to get zero deflection in the galvanometer?

physics-General

physics-

### Circuit for the measurement of resistance by potentiometer is shown. The galvanometer is first connected at point-A and zero-deflection is observed at length PJ=10 cm. In the second case, it is connected at a point and zero deflection is observed at a length from P. Then what is the unknown resistance X?

### Circuit for the measurement of resistance by potentiometer is shown. The galvanometer is first connected at point-A and zero-deflection is observed at length PJ=10 cm. In the second case, it is connected at a point and zero deflection is observed at a length from P. Then what is the unknown resistance X?

physics-General

physics-

### The current taken from the 30 V supply and the current through the 6 resistor are respectively.

### The current taken from the 30 V supply and the current through the 6 resistor are respectively.

physics-General

physics

### common base amplifier circuit, calculate the change in base current if that in the collector current is 2 mA and =0.98

### common base amplifier circuit, calculate the change in base current if that in the collector current is 2 mA and =0.98

physicsGeneral

physics

### The current gain of a transistor in common base mode is 0.99. To change the emitter current by 5 mA. What will be the necessary change in collector current?

### The current gain of a transistor in common base mode is 0.99. To change the emitter current by 5 mA. What will be the necessary change in collector current?

physicsGeneral