IIT JEE Main 2017 (IIT Joint Entrance Exam – Main) JEE Main Online Mock Practice Test.
JEE Main Engineering Test MCQ Questions Answers for the admission in B.tech: This mock test having 25 question each, with four choices. On each click on answers system will tell you where the answers is correct or incorrect. You can view this JEE Main Test question are available for Physics and Chemistry details at the end of the quiz. You can also download JEE Main Previous Year Question Papers.
This JEE Main Entrance Exam questions answers are applicable for any kind of engineering entrance and B.Arch Entrance exam. You can practice as much as you can to gather knowledge of how to answers JEE Main Test critical type papers in short time and this can be a big factor for cracking All India Joint Entrance level exam.
JEE Main Online Mock Practice Test
JEE Main Online Practice Test - Physics
Question 1 |
1:2:3 | |
1:3:5 | |
1:1:9 | |
1:8:18 |
Question 2 |
the intensity of the sound heard at the first resonance was more than that at the second resonance | |
the prongs of the tuning fork were kept in a horizontal plane above the resonance tube | |
the amplitude of vibration of the ends of the prongs is typically around 1 cm | |
the length of the air-column at the first resonance was somewhat shorter than 1/4th of the wavelength of the sound in air |
Question 3 |
directly proportional to L | |
directly proportional to t | |
Independent of L | |
independent of t |
Question 4 |
0.02 mm | |
0.05 mm | |
0.1 nun | |
0.2 mm |
Question 5 |
8.50 kHz | |
8.25 kHz | |
7.75 kHz | |
7.50 kHz |
Question 6 |
250 m/s | |
250J m/s | |
400 m/s | |
500 m/s |
Question 7 |
9 m/s | |
12 m/s | |
16 m/s | |
21.33 m/s |
Question 8 |
the process during (1w path A —, B is isothermal | |
heat flows out of the gas during the path B — C — 1) | |
work done during the path A B , C is zero | |
positive work is done by the gas in the cycle ABCDA
|
Question 9 |
pressure and temperature are both high | |
pressure and temperature are both low | |
pressure is high and temperature is low | |
pressure is low and temperature is high |
Question 10 |
5 grams | |
10 grams | |
20 grains | |
40 grams |
Question 11 |
10.2 ohm | |
10.6 ohm | |
10.8 ohm | |
11.1 ohm |
Question 12 |
0.9% | |
2.4% | |
3.1% | |
4.2% |
Question 13 |
4 | |
3 | |
2 | |
1 |
Question 14 |
The angular momentum of the charge —q is constant | |
The linear momentum of the charge —q is constant | |
The angular velocity of the charge q is constant | |
The linear speed of the charge —q is constant |
Question 15 |
the bulb glows dimmer | |
the bulb glows brighter | |
total impedance of the circuit is unchanged | |
total impedance of the circuit increases |
Question 16 |
virtual and at a distance of 16 cm from the mirror | |
real and at a distance of 16 cm from the mirror | |
virtual and at a distance of 20 cm from the mirror | |
real amid at a distance of 20 cm from the mirror |
Question 17 |
0% | |
20% | |
75% | |
80% |
Question 18 |
of the same frequency and with shifted mean position. | |
of the same frequency and with the same mean position. | |
of changed frequency and with shifted mean position. | |
of changed frequency and with the same mean position. |
Question 19 |
linear momentum of the system does not change in time kinetic | |
energy of the system does not change in time | |
angular momentum of the system does not change in time | |
potential energy of the system does not change in time |
Question 20 |
Error T in measuring T. the time period. Is 005 seconds | |
Error / T in measuring T. the time period, is 1 second | |
Percentage error in the determination of g is 5% | |
Percentage error in the determination of g is 2.5% |
Question 21 |
4.50 J | |
7.50 J | |
5.06 J | |
14.06 J |
Question 22 |
Restoring torque in case A = Restoring torque in case B | |
Restoring torque in case A < Restoring torque in case B | |
Angular frequency for case A > Angular frequency for case B. | |
Angular frequency for case A |
Question 23 |
If the electric field due to a point charge varies as r25 instead of r2, then the Gauss law will still be valid. | |
The Gauss law can be used to calculate the field distribution around an electric dipole.
| |
If the electric field between two point charges is zero somewhere, then the sign of the two charges is the same. | |
The work done by the external force in moving a unit positive charge from point A at potential VA to point B at potential V8 is (VB — VA). |
Question 24 |
(42. 56) | |
(48, 48) | |
(66, 33) | |
(78, 39) |
Question 25 |
Total momentum of the system is 3 kg ms-1 | |
Momentum of 5 kg mass after collision is 4 kg ms | |
Kinetic energy of the centre of mass Is 0.75 J | |
Total kinetic energy of the system is 4 J |
List |
JEE Main Online Practice Test - Chemistry
Question 1 |
NO- | |
NO4 | |
CN. | |
N2 |
Question 2 |
0 | |
1 | |
2 | |
3 |
Question 3 |
electrolytic reduction | |
roasting followed by reduction with carbon
| |
roasting followed by’ reduction with another metal | |
roasting followed by self-reduction |
Question 4 |
alcoholic KOH | |
alcoholic KOH followed by NaNH2 | |
aqueous KOH followed by NaNH2 | |
Zn/CH3OH |
Question 5 |
Statement-i is True, Staternent-2 is True; Statement-2 is a correct explanation for Statement-i | |
Statement-i is True; Statement-2 is True; Statement-2 is NOT a correct explanation for Statement-i | |
Statement-i is True, Statement-2 is False | |
Statement-i is False, Statement-2 is True
|
Question 6 |
3 | |
4 | |
5 | |
6 |
Question 7 |
Statement-i is True, Statcment-2 is True; Statement-2 is a correct explanation for Statement-i | |
Statement-i is True, Statement-2 is True; Statement-2 is NOT a correct explanation for Statement-i | |
Statement-i is True, Statement-2 is False | |
Statement-i is False, Stat.ement-2 is True
|
Question 8 |
25 | |
33 | |
50 | |
75 |
Question 9 |
Statement-i is True, Statement-2 is True; Statement-2 is a correct explanation for Statement-i | |
Statement-i is True, Statement-2 is True; Statement-2 is NOT a correct explanation for Statement-i | |
Statement-i is True, Statement-2 is False | |
Statement-i is False, Statement-2 is True |
Question 10 |
0.5 | |
1 | |
2 | |
3 |
Question 11 |
Statement-i is True, Statement-2 is True; Statement-2 is a correct explanation for Statement-i | |
Statement-i is True, Statement-2 is True; Statcmcnt-2 is NOT a correct explanation for Statement-i | |
Statement-i is True, Statement-2 is False | |
Statement-i is False, Statement-2 is True |
Question 12 |
Statement-I is True, Statement-2 is True; Statement-2 is a correct explanation for Statement-i | |
Statement-i is True, Statcment-2 is True; Statement-2 is NOT a correct explanation for Statement-i | |
Statement-i is True, Statemcnt-2 is False | |
Statement-i is False, Statement-2 is True |
Question 13 |
variable radii and a fixed centre at (0, 1) | |
variable radii and a fixed centre at (0, —1) | |
fixed radius 1 and variable centres along the x-axis | |
fixed radius 1 and variable centres along the y-axis |
Question 14 |
Statement-i is True, Statemcnt-2 is True; Statement-2 is a correct explanation for Statement-i | |
Statement-i is True, Statement-2 is True; Statement-2 is NOT a correct explanation for Statement-i | |
Statement-i is True, Statement-2 is False | |
Statement-i is False, Statement-2 is True |
Question 15 |
360 | |
192 | |
96 | |
48 |
Question 16 |
Statement-i is True, Statement-2 is True; Statement-2 is a correct explanation for Statement-i | |
Statement-i is True, Statement-2 is True; Statement-2 is NOT a correct explanation for Statement-i | |
Statement-I is True, Statement-2 is False | |
Statement-I is False, Statement-2 is True |
Question 17 |
Statement-1 is True, Statoment-2 is True; St.atement-2 is a correct explanation for Statement-1 | |
Statement-1 is True, Stat.ement-2 is True; Statemcnt-2 is NOT a correct explanation for Statement-1 | |
Statement-1 is True, Statement-2 is False
| |
Statement-1 is False, Statement-2 is True |
Question 18 |
Statement-i is True, Statement-2 is True; Stat..ement-2 is a correct explanation for Statement-i | |
Statement-i is True, St.atement-2 is True; Statement-2 is NOT a correct explanation for Statement-i | |
Statement-i is True, Statement-2 is False | |
Statement-i is False, Statement-2 is True |
Question 19 |
Statement-1 is True, Statement-2 is True; Statement-2 is a correct explanation for Statement-1 | |
Statement-1 is True, Statement-2 is True; Statcment-2 is NOT a correct explanation for Statement-1 | |
Statement-1 is True, Statement-2 is False
| |
Statement-1 is False, Statement-2 is True
|
Question 20 |
low reactivity with metal | |
ability to lower the melting point of metal | |
flammability | |
high calorific value |
Question 21 |
Statement-i is True, Statement-2 is True; Statement-2 is a correct explanation for Statement-i | |
Statement-i is True, Statement-2 is True; Statement-2 is NOT a correct explanation for Statement-i | |
Statement-I is True, Statement-2 is False | |
Statement-i is False, Statement-2 is True |
Question 22 |
linear | |
planar | |
pyramidal | |
T-shaped |
Question 23 |
no point | |
one point | |
two points | |
more than two points |
Question 24 |
oxidizing | |
reducing | |
unreactive | |
strongly basic |
Question 25 |
0.5 | |
1.0 | |
2.0 | |
3.0 |
List |
- [sb_parent]
[sb_child_list]
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