Physics · JEE

Dual nature of radiation, Photoelectric effect, Hertz and Lenard's observations Mock Test for JEE

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Syllabus context

Part of Dual Nature of Matter and Radiation in JEE Main Physics.

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Q1PhysicsUnit 17: Dual Nature of Matter and Radiation

The incident photon involved in the photo-electric effect experiment

\nu>\nu_{o}

Q2PhysicsUnit 17: Dual Nature of Matter and Radiation

The work function of a substance is 4.0

e V

. The longest wavelength of light that can cause photo-electric emission from this substance is approximately

Q3PhysicsUnit 17: Dual Nature of Matter and Radiation

The sensor is exposed for

0.1 s

to a

200 W

lamp

10 m

away. The sensor has opening that is 20 mm in a diameter How many photons enter the sensor if the wavelength of light is 600 mm? (assume that all the energy of the lamp is given off as light).

Q4PhysicsUnit 17: Dual Nature of Matter and Radiation

The photoelectric effect proves that light consists of:

Q5PhysicsUnit 17: Dual Nature of Matter and Radiation

Work function is

Q6PhysicsUnit 17: Dual Nature of Matter and Radiation

Assertion Mass of moving photon varies inversely as the wavelength. Reason Energy of the particle

=

Mass

\times

(speed of light)

^{2}

Q7PhysicsUnit 17: Dual Nature of Matter and Radiation

In a photoelectric effect, the anode potential is plotted against the plate current

Q8PhysicsUnit 17: Dual Nature of Matter and Radiation

The creation of voltage or electric current in a material upon exposure to light is termed as

Q9PhysicsUnit 17: Dual Nature of Matter and Radiation

The major contribution of Sir C.V. Raman is:

Q10PhysicsUnit 17: Dual Nature of Matter and Radiation

The electricity produced by creating photo electrons is called:

Q11PhysicsUnit 17: Dual Nature of Matter and Radiation

Maximum kinetic energy of the emitted photoelectrons depends upon

Q12PhysicsUnit 17: Dual Nature of Matter and Radiation

Which is the elementary quantum of energy?

Q13PhysicsUnit 17: Dual Nature of Matter and Radiation

In photoelectric effect, the photocurrent

Q14PhysicsUnit 17: Dual Nature of Matter and Radiation

Photoelectric effect supports the quantum nature of light because This question has multiple correct options

Q15PhysicsUnit 17: Dual Nature of Matter and Radiation

Work function is the energy required

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