Question

# The following diagram indicates the energy levels of a certain atom when the system moves from level to , emitting a photon of wavelength . The wavelength of photon produced during its transition from level to is

## The correct answer is:

### Related Questions to study

### pitch of screw gauge is 1 mm and there are 100 divisions on the circular scak. What measurin the diametcr of a wire, the linear scale reads, 1 mm and 47^{t} division on the circular scale coincide with the reference line. The lengthof the wire 155.6 cm. What will be the curved surface area (in cm^{2} of the wire in appropriate number of significant figures.

### pitch of screw gauge is 1 mm and there are 100 divisions on the circular scak. What measurin the diametcr of a wire, the linear scale reads, 1 mm and 47^{t} division on the circular scale coincide with the reference line. The lengthof the wire 155.6 cm. What will be the curved surface area (in cm^{2} of the wire in appropriate number of significant figures.

The nucleus after two successive decays will give

The nucleus after two successive decays will give

### The screw gauges shown above has a zero error of -0.02 and 100 divisions on the circular scak What is the diameter of wire?

### The screw gauges shown above has a zero error of -0.02 and 100 divisions on the circular scak What is the diameter of wire?

### The number of ways of dividing 52 cards amongst four players equally, are

### The number of ways of dividing 52 cards amongst four players equally, are

The half-life of radioactive Radon is 3.8 days. The time at the end of which (1/20)th of the Radon sample will remain undecayed is (given

The half-life of radioactive Radon is 3.8 days. The time at the end of which (1/20)th of the Radon sample will remain undecayed is (given

### Screw gauge A has a pitch of and 50 division on its circular scale screw guage B has a pitc of 0.5 and 100 divisions on its circular scale. If is least count, then which posibility i true ? What is the parilrility

### Screw gauge A has a pitch of and 50 division on its circular scale screw guage B has a pitc of 0.5 and 100 divisions on its circular scale. If is least count, then which posibility i true ? What is the parilrility

### the screw and stud touch each other, the edge of a certain screw gauge is to the right of the C mark on the main scale and 5^{th} division of the circular scale coincides with the line of graduation then what is the value of zero error ?

### the screw and stud touch each other, the edge of a certain screw gauge is to the right of the C mark on the main scale and 5^{th} division of the circular scale coincides with the line of graduation then what is the value of zero error ?

A radioactive sample has N_{0} active atoms t = 0. If the rate of disintegration at any time is R and the number of atoms is N, then the ratio R/N varies with time as

A radioactive sample has N_{0} active atoms t = 0. If the rate of disintegration at any time is R and the number of atoms is N, then the ratio R/N varies with time as

### When the screw and stud touch each other, the edges of a certain screw gauge is on left of the mark on the main scale and the 96^{th } division of the circular scale coincides with the circular line graduation then what is the value of zero error

### When the screw and stud touch each other, the edges of a certain screw gauge is on left of the mark on the main scale and the 96^{th } division of the circular scale coincides with the circular line graduation then what is the value of zero error

Consider the arrangement of three metal plates* A, B, *and* C *of equal surface area and separation d as shown in figure. The energy stored in the arrangement, when the plates are fully charged, is

Consider the arrangement of three metal plates* A, B, *and* C *of equal surface area and separation d as shown in figure. The energy stored in the arrangement, when the plates are fully charged, is

### the edge of the circular scale lies to the right of the 0 mark on the main scale, when the stu and the spindle touch each other, then what will be the zero error?

### the edge of the circular scale lies to the right of the 0 mark on the main scale, when the stu and the spindle touch each other, then what will be the zero error?

The reaction, is called

The reaction, is called

done in carrying a charge Q_{1} once round a circle of radius R with a charge Q_{2} at the centre I Is

done in carrying a charge Q_{1} once round a circle of radius R with a charge Q_{2} at the centre I Is

### when the edge of the circular scale lies to the left of 0 mark on the main scale, when the stud an spindle touch each other, Then what will be the zero error?

### when the edge of the circular scale lies to the left of 0 mark on the main scale, when the stud an spindle touch each other, Then what will be the zero error?

Ethyl ester , the product ‘P’ will be

Ethyl ester , the product ‘P’ will be