Home · BITSAT PYQs · Physics · Dual Nature of Matter

BITSAT Dual Nature of Matter PYQs with Solutions

29 previous year questions from Dual Nature of Matter (BITSAT Physics) with answers and solutions. Numbered list, year tags, and one-tap solutions — built for serious JEE / NEET practice.

29 questionsPhysics2009–2024Answers + solutions

About Dual Nature of Matter PYQs

Dual Nature of Matter has 29 previous year questions in the Quantrex Academy BITSAT Physics bank. The 29 questions in this list come from BITSAT (29), spanning 2009 to 2024. Each question opens on its own page with the options, the correct answer and the worked solution where available.

BITSAT Dual Nature of Matter PYQs with Solutions

About Dual Nature of Matter PYQs

Questions by year (this list)

Dual Nature of Matter questions with solutions

Which figure shows the correct variation of applied potential difference (V) with photoelectric current (I) at two different intensities of light (I_1 < I_2) of same wavelengths:

The acceptor level of a p-type semiconductor is 6 eV. The maximum wavelength of light which can create a hole would be : Given hc =1242 eV nm.

When light is incident on a metal surface the maximum kinetic energy of emitted electrons

If the kinetic energy of a free electron doubles, it's de-Broglie wavelength changes by the factor

A proton and an α -particle are accelerated from rest by 2 V and 4 V potentials, respectively. The ratio of their de-Broglie wavelength is:

Proton (p) and electron (e) will have same deBroglie wavelength when the ratio of their momentum is (assume, m_p=1849 m_ e )

The energy levels of an atom is shown is figure. Which one of these transitions will result in the emission of a photon of wavelength 124.1 ~nm ? Given (h=6.62 × 10^ -34 Js)

The de-Broglie wavelength of an electron moving with a velocity (c)/(3) (c=3 ×10^8 m / s)is equal to the wavelength of photon. The ratio of the kinetic energies of electron and

Monochromatic light of wavelength 667 nm is produced by a helium neon laser. The power emitted is 9 mW . The number of photons arriving per sec on the average at a target

Electrons are accelerated through a potential difference V and protons are accelerated through a potential difference 4 V . The de - Broglie wavelengths are λ_ e and λ_ p for

A plane electromagnetic wave is incident on a plane surface of area A, normally and is perfectly reflected. If energy E strikes the surface in time t then force exerted on the

A plane electromagnetic wave is incident on a plane surface of area A, normally and is perfectly reflected. If energy E strikes the surface in timet then average pressure exerted

A particle X of mass m and initial velocity u collides with another particle Y of mass (3m)/(4) , which is at rest. The collision is head-on and perfectly elastic. The ratio of

The frequency and the intensity of incident beam of light falling on the surface of a photoelectric material is increased by a factor of two. This will

When photon of energy 4. 0eV strikes the surface of a metal A , the elected photoelectrons have maximum kinetic energy T _ A eV and de-Broglie wavelength &#955; _ A . The maximum

The de-Broglie wavelength of a proton (charge = 1. 6 × 10 ^ - 19 C, m = 1. 6 × 10 ^ - 27 kg ) accelerated through a potential difference of 1kV is&

Find the number of photon emitted per second by a 25 watt source of monochromatic light of wavelength 6600 Å . What is the photoelectric current assuming 3 \% efficiency for

The beam of light has three wavelengths 4144 Ã, 4972 Ã and 6216 Ã with a total intensity of 3.6 × 10^ -3 Wm^ 2 equally distributed amongst the three wavelengths. The beam falls

When 0.50 Ã X-rays strike a material, the photoelectrons from the k shell are observed to move in a circle of radius 23 mm in a magnetic field of 2 × 10^ -2 tesla acting

The threshold wavelength of the tungsten is 2300 Ã…. If ultraviolet light of wavelength 1800 Ã… is incident on it, then the maximum kinetic energy of photoelectrons would be about

Graph betwen stopping potential for most energetic emitted photoelectrons (V_ s ) with frequency (v) of incident radiation on metal is given below. Value of AB / BC , in graph is

A light having wavelength 300 nm fall on a metal surface. The work function of metal is 2.54 eV , what is stopping potential?

In an experiment on photoelectric effect photons of wavelength 300 nm eject electrons from a metal of work function 2.25 eV . A photon of energy equal to that of the most

If the energy of a photon is 10 eV , then its momentum is

An electron, in a hydrogen-like atom, is in an excited state. It has a total energy of -3.4 eV . The kinetic energy and the de-Broglie wavelength of the electron are respectively

Light of wavelength 180 nm ejects photoelectron from a plate of a metal whose work function is 2 eV . If a uniform magnetic field of 5 × 10^ -5 T is applied parallel to plate

The photoelectric threshold of metal is 2000 . The energy of the electrons ejected from the surface by ultraviolet light of wavelength 1500 is

A material particle with a rest mass m_ 0 is moving with a velocity of light c . Then the wavelength of the de Broglie wave associated with it is :

In a photoelectric experiment, with light of wavelength λ, the fastest electron has speed v . If the exciting wavelength is changed to 3 λ / 4 , the speed of the fastest emitted

Related BITSAT Physics chapters

Dual Nature of Matter in other exams

When photon of energy 4. 0eV strikes the surface of a metal A , the elected photoelectrons have maximum kinetic energy T _ A eV and de-Broglie wavelength λ _ A . The maximum