Recent questions in Engineering Entrance Exams

0 votes

1 answer 132 views

Lactic acid and glycolic acid are the monomers used for preparation of polymer

asked Apr 13, 2021 in chemistry by anonymous

0 votes

1 answer 154 views

Which of the following polymers is used to manufacture clothes for firefighters?

asked Apr 13, 2021 in chemistry by anonymous

0 votes

1 answer 153 views

Which polymer is used in the manufacture of paints and lacquers?

asked Apr 13, 2021 in Physics by anonymous

+1 vote

1 answer 184 views

In thermodynamics, heat and work are : (1) Extensive thermodynamic state variables (2) Point functions (3) Path functions

asked Apr 13, 2021 in Physics by Doubtly (98.9k points)

0 votes

1 answer 338 views

One main scale division of a vernier callipers is 'a' cm and nth division of the vernier scale coincide with (n – 1)th

asked Apr 13, 2021 in Physics by Doubtly (98.9k points)

0 votes

1 answer 423 views

A 25 m long, antenna is mounted on an antenna tower. The height of the antenna tower is 75 m.

asked Apr 13, 2021 in Physics by Doubtly (98.9k points)

0 votes

1 answer 308 views

The maximum and minimum distances of comet from the Sun are 1.6 × 1012 m and 8.0 × 1010 m respectively

asked Apr 13, 2021 in Physics by Doubtly (98.9k points)

0 votes

1 answer 114 views

22 Ne nucleus, after absorbing energy, decays into two α-particles and an unknown nucleus. The unknown nucleus is

asked Apr 13, 2021 in Physics by Doubtly (98.9k points)

0 votes

1 answer 235 views

Which of the following statement(s) is (are) correct ? (A) The rest mass of a stable nucleus is less than the

asked Apr 13, 2021 in Physics by Doubtly (98.9k points)

0 votes

1 answer 275 views

The electron in a hydrogen atom makes a transition from an excited state to the ground state. Which of the following statements is true?

asked Apr 13, 2021 in Physics by Doubtly (98.9k points)

+1 vote

1 answer 209 views

Photoelectrons are emitted when 400 nm radiation is incident on a surface of work function 1.9eV.

asked Apr 13, 2021 in Physics by Doubtly (98.9k points)

0 votes

1 answer 246 views

The ratio of series limit wavelength of Balmer series to wavelength of first line of paschen series is ……….

asked Apr 13, 2021 in Physics by Doubtly (98.9k points)

0 votes

1 answer 212 views

A parallel beam of uniform, monochromatic light of wavelength 2640 A has an intensity of 200W/m2 . The number of photons in 1mm3 of this radiation are ….

asked Apr 13, 2021 in Physics by Doubtly (98.9k points)

+1 vote

1 answer 422 views

Mass of Li3+ is 8.33 times mass of proton Li3+ and proton are accelerated through same potential difference. Then ratio of debroglie's

asked Apr 12, 2021 in Physics by Topper11 (2.8k points)

+1 vote

1 answer 913 views

A stationary body explodes into two fragments each of rest mass 1kg that move apart at speeds of 0.6c relative to the original body

asked Apr 11, 2021 in Physics by Doubtly (98.9k points)

+1 vote

1 answer 235 views

Find the initial momentum of electron if the momentum of electron is changed by pm and the De Broglie wavelength associated with it changes by 0.50 %

asked Apr 11, 2021 in Physics by Doubtly (98.9k points)

0 votes

1 answer 287 views

The top of a ladder 6 metre long is resting against a vertical wall on a level pavement,

asked Apr 11, 2021 in mathematics by Doubtly (98.9k points)

0 votes

1 answer 240 views

Two capacitors C1 and C2 are charged to 120 V and 200 V, respectively.

asked Apr 8, 2021 in Physics by Doubtly (98.9k points)

0 votes

1 answer 237 views

An electric dipole is placed at an angle of 30º to a non-uniform electric field. The dipole will experience

asked Apr 8, 2021 in Physics by Doubtly (98.9k points)

0 votes

1 answer 570 views

The resistance of a wire at room temperature 20°C is found to be 20W. Now to increase the resistance by 20%,

asked Apr 8, 2021 in Physics by Doubtly (98.9k points)

Page:

« prev
1
...
6
7
8
9
10
11
next »

...