Online MCQ Test for ECAT Physics Unit Ch 20

Matric Part 2/10th Class English Chapter 1 MCQ Test With Answer for Chapter 1 Hazrat Muhammad (S.A.W) an Embodiment of Justice

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ECAT Pre General Science Physics Chapter 20 Atomic Spectra

ECAT Pre General Science Physics Chapter 20 Atomic Spectra

ECAT Pre General Science Physics Chapter 20 Atomic Spectra

The natural arrangement of colours in the spectrum of white light spectrum is

Atoms of hydrogen gas can be excited by passing electric current through it when the gas is filled into the discharge tube at a pressure which is

The range of wavelengths of colurs in the visible colours is

The first series which was identified in the spectrum of hydrogen is called:

In case of braking radiations, when the rate of deceleration is very large, the emitted radiation corresponds to:

Balmer series was identified in:

The formula of Brackett series can be obtained by putting in the general formula, the value of n equal to:

The inkjet printer eject a thin stream of:

CT scanning is the abbreviated name of

The results of spectra obtained by Balmer were expressed in 1896 by:

Lyman series in the spectrum of hydrogen exists in the :

In flesh, light element like carbon, hydrogen and oxygen predominate. Three elements allows ______ amount of incident X-ray to pass through them

Braking radiation causes:

The value of the metastable state for Neon is

Ultraviolet region lies in ______ series

The electric field lines start from:

Spectrum represents the number of component colours present in certain light in terms of:

In helium Neon Laser Neon = 15% and Helium = 85% used. The lasing gas this unit is

An electron of the hydrogen atom in the second orbit is called its:

The results of spectra obtained by Blamer were expressed in 1896 by

The shell closer to the nucleus is called:

Tick the series which lies in the visible region:

By CAT scans, we can detect the density difference of the order of:

X-rays can penetrate in a solid matte through a distance of several:

Consider a photon of continuous X-ray and a photon of characteristics X-ray of same wavelength. Which of the following is/are different for the two photons

Laser is a beam of:

Coulomb multiplied by volt by volt gives the unit called:

We can excite an atom by

Graph of Black body radiation is example of

The holes created in the L and M shells are occupied by transitions of:

Matric Part 2/10th Class English Chapter 1 MCQ Test With Answer for Chapter 1 Hazrat Muhammad (S.A.W) an Embodiment of Justice

Biology Chapter 1 - Answers Mode

Biology Chapter 1 MCQ - PDF

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