List of top Questions asked in GUJCET

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. 

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 …….

The value of \(\tan^{-1}(-1) + \sec^{-1}(-2) + \sin^{-1}\left( \frac{1}{\sqrt{2}} \right)\)is __________.

Js is the unit of …….. physical quantity.

The refractive index of glass is 1.6 and the speed of light in glass will be ……… . The speed of light in vacuum is \( 3.0 \times 10^8 \) ms\(^{-1}\).

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 …….. 

If \( f: \mathbb{Z} \to \mathbb{Z} \), defined by \( f(x) = x^3 + 2 \), then the function \( f \) is __________.

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

The relation \( R = \{(a, a), (b, b), (c, c), (a, c)\ \) defined on the set \( \{a, b, c\} \) is _____________.}

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

If a pair of dice is thrown, the probability of getting an even prime number on each die is __________.

Cellular phones use radio waves to transmit voice communication in the ……

If \( x + y \leq 55 \) and \( x + y \geq 10 \), with \( x \geq 0 \), \( y \geq 0 \), then the minimum value of the objective function \( z = 7x + 3y \) is: \hfill \break

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 …….

If the vertices of the finite feasible solution region are \( (0, 6), (3, 3), (9, 9), (0, 12) \), then the maximum value of the objective function \( z = 6x + 12y \) is __________.

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.} 

Which of the following sexually transmitted infections are spread by other means besides sexual intercourse?

For a plane mirror, the focal length is ……..

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 ……..

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

For obtaining wattless current,…….  is connected with AC supply.}

If mother's blood group is 'A' and father's blood group is 'O', then what can be the blood group of their child?

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

If a double-stranded DNA contains 30\% adenine, state the percentage of cytosine in the same DNA.