Physics-

General

Easy

Question

Light wave enters from medium 1 to medium 2. Its velocity in 2^{nd} medium is double from 1^{st}. For total internal reflection the angle of incidence must be greater than

## The correct answer is:

### Related Questions to study

maths-

### If the function f(x) dt → 5 as |x| → I, then the value of ‘a’ so that the equation 2x + f(t) dt = a has at least two roots of opposite signs in (-1, 1) is

### If the function f(x) dt → 5 as |x| → I, then the value of ‘a’ so that the equation 2x + f(t) dt = a has at least two roots of opposite signs in (-1, 1) is

maths-General

Maths-

### In

### In

Maths-General

chemistry-

### On Bohr’s stationary orbits -

### On Bohr’s stationary orbits -

chemistry-General

chemistry-

### For a valid Bohr orbit, its cicumfrence should be -

### For a valid Bohr orbit, its cicumfrence should be -

chemistry-General

chemistry-

### Arrange the following particles in increasing order of values of e/m ratio: Electron (e), proton (p), neutron (n) and α-particle (α) -

### Arrange the following particles in increasing order of values of e/m ratio: Electron (e), proton (p), neutron (n) and α-particle (α) -

chemistry-General

Maths-

### In

### In

Maths-General

physics-

An antenna behaves as resonant circuit only when its length is

An antenna behaves as resonant circuit only when its length is

physics-General

Maths-

### If

### If

Maths-General

physics-

### In the adjoining diagram, a wavefront *AB*, moving in air is incident on a plane glass surface *XY*. Its position *CD* after refraction through a glass slab is shown also along with the normals drawn at *A* and *D*. The refractive index of glass with respect to air () will be equal to

### In the adjoining diagram, a wavefront *AB*, moving in air is incident on a plane glass surface *XY*. Its position *CD* after refraction through a glass slab is shown also along with the normals drawn at *A* and *D*. The refractive index of glass with respect to air () will be equal to

physics-General

chemistry-

### Which statement is not correct for n=5,m=2:

### Which statement is not correct for n=5,m=2:

chemistry-General

chemistry-

### In P-atom find out the no. of paired electrons for l=1 and m =0-

### In P-atom find out the no. of paired electrons for l=1 and m =0-

chemistry-General

chemistry-

### For H- atom, the energy required for the removal electron from various sub-shells is given at under:

The order of the energies would be:

### For H- atom, the energy required for the removal electron from various sub-shells is given at under:

The order of the energies would be:

chemistry-General

physics-

### Immiscible transparent liquids A, B, C, D and E are placed in a rectangular container of glass with the liquids making layers according to their densities. The refractive index of the liquids are shown in the adjoining diagram. The container is illuminated from the side and a small piece of glass having refractive index 1.61 is gently dropped into the liquid layer. The glass piece as it descends downwards will not be visible in

### Immiscible transparent liquids A, B, C, D and E are placed in a rectangular container of glass with the liquids making layers according to their densities. The refractive index of the liquids are shown in the adjoining diagram. The container is illuminated from the side and a small piece of glass having refractive index 1.61 is gently dropped into the liquid layer. The glass piece as it descends downwards will not be visible in

physics-General

Maths-

### Values of is :

### Values of is :

Maths-General

physics-

### A rectangular tank of depth 8 meter is full of water (), the bottom is seen at the depth

### A rectangular tank of depth 8 meter is full of water (), the bottom is seen at the depth

physics-General