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BITSAT Practice Test - 26 - JEE MCQ


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30 Questions MCQ Test - BITSAT Practice Test - 26

BITSAT Practice Test - 26 for JEE 2024 is part of JEE preparation. The BITSAT Practice Test - 26 questions and answers have been prepared according to the JEE exam syllabus.The BITSAT Practice Test - 26 MCQs are made for JEE 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for BITSAT Practice Test - 26 below.
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BITSAT Practice Test - 26 - Question 1

If E₀ represents the peak value of the voltage in an A.C. circuit, the r.m.s. value of the voltage will be

BITSAT Practice Test - 26 - Question 2

If M is atomic mass, A is mass no. of a nucleus, then M-A/A is called

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BITSAT Practice Test - 26 - Question 3

According to classical theory, the path of an electron in Rutherford's atom is

BITSAT Practice Test - 26 - Question 4
In a Wheatstone's bridge, all the four arms have equal resistance R. If resistance of the galvanometer arm is also R, then equivalent resistance of the combination is
Detailed Solution for BITSAT Practice Test - 26 - Question 4
The given arrangement is a parallel combination of 2R and 2R. This gives an equivalent resistance of R. 
BITSAT Practice Test - 26 - Question 5
Two resistances of 400 Ω and 800 Ω are connected in series with 6 volt battery of negligible internal resistance. A voltmeter of resistance 10,000 Ω is used to measure the potential difference across 400 Ω. The error in the measurement of potential difference in volts approximately is
BITSAT Practice Test - 26 - Question 6
Which of the following statements is correct
BITSAT Practice Test - 26 - Question 7

Monochromatic light of frequency 6.0 x 1014 Hz is produced by a laser. The power emitted is 2 x 10 − 3 W . The number of photons emitted, on the average, by the source per second is

BITSAT Practice Test - 26 - Question 8
The resistor R₁ dissipates power P when connected to a generator. If a resistor R₂ is inserted in series with R₁, the power dissipated by R₁
BITSAT Practice Test - 26 - Question 9
The capacity of a condenser 'A' is 10 μ F and it is charged by a battery of 100V. The battery is disconnected and the condenser is connected to a condenser 'B'. The common potential is 40V. The capacity of 'B' is
BITSAT Practice Test - 26 - Question 10
The maximum speed of car on a road turn of radius 30 m; if the coefficient of friction between the tyres and the road is 0.4; will be
BITSAT Practice Test - 26 - Question 11
A satellite of the earth is revolving in a circular orbit with a uniform speed ν. if the gravitational force suddenly disappears, the satellite will
BITSAT Practice Test - 26 - Question 12
According to 'Newton's law of cooling', the rate of cooling of a body is proportional to the
BITSAT Practice Test - 26 - Question 13
A polyatomic gas with n degrees of freedom has a mean energy per molecule given by
BITSAT Practice Test - 26 - Question 14
An electron is moving towards east in magnetic field acting vertically downwards. So the electron is deflected towards.
BITSAT Practice Test - 26 - Question 15

A distance 'r' from a point charge, the ratio u/ V2 (where 'u' is energy density and 'V' is potential) is represented by:

BITSAT Practice Test - 26 - Question 16
The material for which susceptibility remains constant for small values of magnetising field, increases for large values and then decreases for very large values is
BITSAT Practice Test - 26 - Question 17

Two liquids of densities ρ₁ and ρ₂ and coefficients of viscosity η₁ and η₂ are found to flow through a capillary tube at the same rate. The ratio of η₁/η₂ is

BITSAT Practice Test - 26 - Question 18
In a capillary tube, water rises upto 3 mm. The height of water that will rise in another capillary tube having one-third radius of the first is
BITSAT Practice Test - 26 - Question 19

A wire of length L and area of cross-section A is made of material of Young's modulus y. If the wire is stretched by the amount x, the work done is

BITSAT Practice Test - 26 - Question 20
A body starts to fall freely under gravity. The distances covered by it in first, second and third second are in ratio
BITSAT Practice Test - 26 - Question 21

A projectile can have the same range 'R' for two angles of projection. If 't₁' and 't₂' be the times of flights in the two cases, then the product of the two time of flights is proportional to

BITSAT Practice Test - 26 - Question 22
Which of the following cannot be resultant of the vectors of magnitude 5 and 10?
BITSAT Practice Test - 26 - Question 23

A block of mass 'm' rests on a horizontal table. A string tied to the block is passed on a frictionless pulley fixed at the end of the table and to the other end of string is hung another block of mass 'm'2. The acceleration of the system is

BITSAT Practice Test - 26 - Question 24
In an astronomical telescope, the focal lengths of objective lens and eye-piece are 180 cm and 6 cm respectively. In normal adjustment, magnifying power of the astronomical telescope will be
BITSAT Practice Test - 26 - Question 25

The kinetic energy of a particle, executing simple harmonic motion is 16 J when it is in its mean position. If the amplitude of oscillations is 25 cm and the mass of the particles is 5.12 kg, the time period of its oscillation is

Detailed Solution for BITSAT Practice Test - 26 - Question 25

BITSAT Practice Test - 26 - Question 26

Two points are located at a distance of 10 m and 15 m from the source of oscillation . The period of oscillation is 0.05 sec and the velocity of the wave is 300 m/sec. What is the phase difference between the oscillations of two points ?

BITSAT Practice Test - 26 - Question 27
Wave lengths of light used in an optical instrument are λ = 4000 Å and λ = 5000 Å. The ratio of their respective resolving power is
BITSAT Practice Test - 26 - Question 28
A circular turn table has a block of ice placed at its centre. The system rotates with an angular speed ω about an axis passing through the centre of the table. If the ice melts on its own without any evaporation, the speed of rotation of the system
BITSAT Practice Test - 26 - Question 29
Which of these statements is not correct ?
BITSAT Practice Test - 26 - Question 30

If I is the moment of inertia of a body and ω is its angular velocity, then the rotational kinetic energy is

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