JEE MODEL PAPER - 1
Quiz by Rajiv Khombare
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- Q1
The bulk modulus of a liquid is 3 × 1010 Nm-2. The pressure required to
12 × 108 Nm-2
6 × 108 Nm-2
9 × 108 Nm-2
3 × 108 Nm-2
30s - Q2
Given below are two statements : One is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A) : In an uniform magnetic field, speed and energy remains the same for moving charged particle.
Reason (R) : Moving charged particle experiences magnetic force perpendicular to its direction of motion.
Both (A) and (R) are true and (R) is the correct explanation of (A)
Both (A) and (R) are true but (R) is NOT the correct explanation of (A)
(A) is false but (R) istrue
(A) is true but (R) is false
30s - Q3
Two identical cells each of emf 1.5 V are connected in parallel across a parallel combination
of two resistors each of resistance 20W. A voltmeter connected in the circuit measures 1.2 V.
The internal resistance of each cell is
2.5W
4W
5W
10W
30s - Q4
Identify the pair of physical quantities which have different dimensions :
Stress and Coefficient of elasticity
Coercivity and Magnetisation
Wave number and Rydberg’s constant
Specific heat capacity and Latent heat
30s - Q5
A block of mass 10 kgstarts sliding on a surface with aninitial velocity of 9.8 ms-1. The coefficient of friction betweenthe surface and bock is 0.5.The distance covered by the block before coming to rest is :
[use g = 9.8 ms-2]
19.6 m
4.9 m
12.5 m
9.8 m
30s - Q6
A boy ties a stone of mass100 g to the end of a 2 m longstring and whirls it around in a horizontalplane. The string can withstand the maximumtension of 80 N. If the maximum speed with which the stone can revolve is
K rev. / min . The valueofK is : (Assume the p string is masslessand unstretchable)
300
800
400
600
30s - Q7
A vertical electric field of magnitude 4.9 × 105 N/C just prevents a water dropletof a mass 0.1 g from falling.The value of chargeon the droplet will be :
(Given g= 9.8 m/s2)
3.2 × 10-9 C
1.6 × 10-9 C
0.5 × 10-9 C
2.0 × 10-9 C
30s - Q8
A particle experiences a variable force
→
F = (4xˆi + 3y2ˆj) in a horizontalx-y plane.
Assume distance in meters and force is newton.If the particle moves from point
(1, 2) to point (2, 3) in the x-y plane, the Kinetic Energy changesby
0 J
50.0 J
25.0 J
12.5 J
30s - Q930s
- Q10
A resistance of 40 W is connected to a source of alternating currentrated 220 V, 50 Hz. Findthe time taken by the current to change fromits maximum value to rms value :
1.25 ms
0.25 s
2.5 ms
2.5 s
30s - Q1130s
- Q1230s
- Q13
Choose the correctoption from the following optionsgiven below :
An atom has a nearly continuousmass distribution in a Rutherford'smodel but has a highly non-uniform mass distribution in Thomson's model
The positivelycharged part of the atom possessesmost of the mass in Rutherford's model but not in Thomson's model
In the ground stateof Rutherford's model electrons arein stable equilibrium. While in Thomson's model electrons always experience a net-force
A classical atom based on Rutherford's model is doomed to collapse.
30s - Q14
Nucleus A is havingmass number 220 and its binding energy per nucleon is 5.6 MeV. splits in twofragments 'B' and 'C' of mass numbers 105 and 115.The binding energy of nucleons in 'B' and 'C' is 6.4 MeV per nucleon. The energy Q released per fission will be :
220 MeV
275 MeV
176 MeV
0.8 MeV
30s - Q15
A baseband signal of3.5 MHz frequency is modulated with acarrier signal of 3.5 GHz frequency using amplitude modulation method. What should be the minimum size of antenna required to transmit themodulated signal ?
21.4 m
42.8 mm
21.4 mm
42.8 m
30s