GUJCET 2024 Physics and Chemistry Question Paper with Answer key pdf is available for download here. GSEB has conducted GUJCET exam on March 31, 2024. The question paper comprises a total of 80 questions.
GUJCET 2024 Physics and Chemistry Question Paper with Answer Key | ![]() |
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Question 1:
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 ___________.
Question 1:
1 Reaction 2A→B+3C is a zero-order reaction. What will be the rate of production for "C"?
For the reaction \(2A \rightarrow B + 3C\), the rate of reaction is: Rate \( = -\frac{1}{2}\frac{d[A]}{dt} = \frac{d[B]}{dt} = \frac{1}{3}\frac{d[C]}{dt} \). Since it is a zero-order reaction, Rate \( = k \). Therefore, \(\frac{1}{3}\frac{d[C]}{dt} = k\) and \(\frac{d[C]}{dt} = 3k\). Given \(k = 3.5 \times 10^{-4} mol L^{-1} s^{-1}\), we have \(\frac{d[C]}{dt} = 3 \times (3.5 \times 10^{-4}) = 10.5 \times 10^{-4} mol L^{-1} s^{-1}\).
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?
Identify the optically active compound from the following.
'R' + CH3-CO-CH3 → Schiff's base. What is 'R' in this reaction?
Which of the following carboxylic acid has the least pKa value among all?
Which is the correct order of the basic strength of given amines?
Which diazonium salt is water insoluble and stable at room temperature?
Lactose is a compound of which units?
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