GUJCET 2024 Physics and Chemistry Question Paper (Available)- Download Solution PDF with Answer Key

The magnitude of the drift velocity per unit electric field is known as ___________.

A solenoid has a core of a material with a relative permeability of 400. The solenoid windings are insulated from the core and carry a current of 2A. If the number of turns is 1000 per meter, then the value of magnetic intensity will be ___________.

A square loop of side 10 cm and resistance 0.5 Ω is placed vertically in the east-west plane. A uniform magnetic field of 0.10 T is set across the plane in the northeast direction. The magnetic field decreases to zero at 0.70 s at a steady rate. Then the magnitude of the induced current during this time interval will be ___________.

As shown in the circuit diagram, find the value of I __________.

Vs/Am is the unit of which physical quantity?

A silver wire has a resistance of 215 Ω at 27.5°C and a resistance of 270 Ω at 100°C. Then the temperature coefficient of the resistivity of silver will be ___________.

An ideal ammeter and an ideal voltmeter have resistances of ___________Ω and ___________Ω respectively.

A short bar magnet placed with its axis at 30° and a uniform external magnetic field of 0.5 T experiences a torque of magnitude equal to 4.5 × 10-2 J. Then the magnitude of the magnetic moment of the magnet will be ___________.

The SI unit of the current density is ___________.

A coil has N turns and current passes through it as I ampere, then we obtain L Henry of self-inductance. Now if the current changes to 5I, then the new self-inductance will be ___________.

An inductor of 50.0 mH is connected to a source of 220 V. Then the rms current in the circuit will be _________. The frequency of the source is 50 Hz.

In an LCR series AC circuit at resonance, the value of power factor will be __________.

For obtaining wattless current, ___________ is connected with AC supply.

As indicated below, which one is the equation of Ampere-Maxwell law?

A parallel plate capacitor with air between the plates has a capacitance of 4 pF. If the distance between the plates is reduced by half and the space between them is filled with a substance of dielectric constant 6, then the value of capacitance will be ___________.

For a plane mirror, the focal length is __________ m.

A ray coming from an object which is situated at zero distance in the air and falls on a spherical glass surface (n = 1.5). Then the distance of the image will be __________ R is the radius of curvature of a spherical glass.

For a thin prism, if the angle of the prism is A with a refractive index of 1.6, then the angle of minimum deviation will be __________.

Cellular phones use radio waves to transmit voice communication in the __________ band.

The phase difference between any two particles in a given wavefront is __________ rad.

To emit an electron from the metal, the minimum electric field required is __________.

Consider a refracting telescope whose objective has a focal length of 1m and the eyepiece a focal length of 1cm, then the magnifying power of this telescope will be __________.

The refractive index of glass is 1.6 and the speed of light in glass will be __________. The speed of light in vacuum is 3.0 × 108 ms-1.

Js is the unit of __________ physical quantity.

In Young's double-slit experiment, the slits are separated by 0.28 mm, and the screen is placed 1.4 m away. The distance between the central bright fringe and the fourth bright fringe is measured to be 12 cm. Then, the wavelength of light used in the experiment is __________.

If the primary coil of a transformer has 100 turns and the secondary has 200 turns, then for an input of 220 V at 10 A, find the output current in the step-up transformer.

A radius of a spherical charged shell is 10 cm, and the electric potential on its surface is 100 V. Then, the potential at 2 cm from the center of the shell will be ___________.

GUJCET Chemistry Questions

Question 1:

1 Reaction 2A→B+3C is a zero-order reaction. What will be the rate of production for "C"?

Which one of the following is an amphoteric oxide?

Which of the following ions shows the highest spin-only magnetic moment value?

Name the member of the lanthanide series which is well known to exhibit a +4 oxidation state.

Which reagent will be used for the following reaction? CH₃CH₂CH₂CH₃ →

In the complex K[Cr(H₂O)₂(C₂O₄)₂], Central metal ion is __________ and __________.

KMnO4 acts as an oxidising agent in an acidic medium in an acidic solution is __________.

Hybridizations of [Ni(CO)4] and [Ni(CN)4]³¯ are respectively.

Which one of the correct formula for the coordination compound tris[ethane-1,2-diamine] cobalt (III) sulfate?