Atomic Spectra | Physics Mcqs

In an electronic transition atom cannot emit______________?

Byadmin March 22, 2019August 30, 2021

In an electronic transition atom cannot emit______________?

A. γ-rays
B. Infra red radiation
C. Visible light
D. Ultraviolet rays

Physics Mcqs | Vectors And Equilibrium

Addition of vector obeys_____________?

Addition of vector obeys_____________?

A. Commutative law
B. Distributive law
C. Associative law
D. All given laws in A, B and C

Read More Addition of vector obeys_____________?
Optical Instruments | Physics Mcqs

The function of collimeter in spectrometer is________________?

The function of collimeter in spectrometer is________________?

A. to produce parallel beams of light
B. to filter the light rays
C. to make them
D. no function

Read More The function of collimeter in spectrometer is________________?
Alternating Current | Physics Mcqs

In the capacitive circuit the current___________________?

In the capacitive circuit the current___________________?

A. Lags behind voltage by π/2
B. Is in phase with voltage
C. Opposite in phase of voltage by π
D. Leads forward the voltage by π/2

Read More In the capacitive circuit the current___________________?
Physics Mcqs | Physics Of Solids

A wire of length L is stretched by a length E when a force F is applied at one end. If the elastic limit is not exceeded the amount of energy stored in the wire is_________________?

A wire of length L is stretched by a length E when a force F is applied at one end. If the elastic limit is not exceeded the amount of energy stored in the wire is_________________?

A. FE
B. (FE)
C. FE2/L
D. FE2

Read More A wire of length L is stretched by a length E when a force F is applied at one end. If the elastic limit is not exceeded the amount of energy stored in the wire is_________________?
Physical Optics | Physics Mcqs

A diffraction grating has 500 lines per mm. Its slit spacing or grating element will be equal to ____________________?

A diffraction grating has 500 lines per mm. Its slit spacing or grating element will be equal to ____________________?

A. 500 mm
B. 5 x 10-3 mm
C. 2 x 10-5 mm
D. 2 x 10-3 mm

Read More A diffraction grating has 500 lines per mm. Its slit spacing or grating element will be equal to ____________________?
Oscillations | Physics Mcqs

If the length of the second pendulum becomes four times, then its time period will become________________?

If the length of the second pendulum becomes four times, then its time period will become________________?

A. 4 times
B. 6 times
C. 8 times
D. 2 times

Read More If the length of the second pendulum becomes four times, then its time period will become________________?

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