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What should be the minimum angular speed of the turn table so that the masses will slip from this position? ...

comprehension for ques 45-47 Two blocks of mass m1=10 kg and m2=5 kg connected to each other by a massless inextensible string of length 0.3 m, are placed along a diameter of turn table. The coefficient of friction be ...

Match the following (81) Mn2+ (a) Diamagnetic (82) Cu+ (b) Paramagnetic (83) Ni2+ (c) Coloured compounds (84) Cr3+ (d) Magnetic Moment=2.82 BM ...

What will be the molarity of solution with respect to OH-?(assume no loss in volume) ...

How long will it take to produce 1 kg of Cl2? ...

comprehension for ques 78-80 An aqueous solution of NaCl on electrolysis gives, H2(g), Cl2(g) and NaOH according to the reaction: 2Cl-+2H2O→2OH-+H2(g)+Cl2(g). A direct current of 25 ampere with current efficient of 62% is p ...

What is the slope of the graph plotted in this experiment? (Assume the change in length to be 10 mm) The units of the graph are in SI units! ...

What is the extension of the wire due to the additional mass? (Ans in mm) ...

comprehension for ques 48-50 We conduct an experiment on determination of young's modulus by Searle's method. The micrometer attached has a pitch of 1 mm. It has 100 divisions on the circular scale. On addition of add ...

Statement 1: In going from a denser to a rarer medium a ray of light bends towards the normal Statement 2: This occurs because light travels faster in a rarer medium than in a denser medium ...

Statement 1: We cannot accelerate neutrons by cyclotron Statement 2: Neutrons are much heavier than electron ...

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statement I - The plates of a parallel plate capacitor are connected to a battery. Charge on the plates increases on introducing a dielectric slab between the plates. statement II - Capacity increases and hence more charge is ...

Assertion Reasoning type Statement I - When a simple pendulum is made to oscillate on the surface of the moon, its time period increases. Statement II - Moon is much smaller compared to earth. ...

A uniform solid cylinder of density 0.8 g/cc floats in equilibrium in a combination of two non-mixing liquids A and B with its axis vertical. The The densities of liquids A and B are 0.7 g/cc and 1.2 g/cc. The height of liqui ...

A wire ABCDEF (with each side of length L) bent as shown in the figure and carrying a current I is placed in a uniform magnetic induction B parallel to the positive y-direction. The force experienced by the wire is *Image* ...

*Image* given values E1=6V, E2=2V, E3=3V R1=6Ω, R2=2Ω, R3=4Ω, R4=3Ω C=5μF the energy stored in the capacitor in steady state condition is ...

A simple pendulum has a time period T2 when on earth's surface , and T1 when taken to a height R above the earth's surface, where R is the radius of the earth. The value of T1/T2 is ...

A disk of radius r is rotating about its centre with an angular speed ω0. It is gently placed on a rough horizontal surface. After what time will it be in pure rolling? ...

*Image* A wedge of mass M and a block of mass m are shown in figure. The distance moved by wedge(in metres), when the block just reaches the ground is (friction is absent everywhere) ...

A block of mass m is placed on a rough horizontal surface. The coefficient of friction between the block and plane is μ. The minimum force required to displace the block on the plane is ...

A plane wave of wavelength λ is incident at an angle θ¸ on the plane mirror. Maximum intensity will be observed at P, when *Image* ...

Straight objective type *Image* Find the equivalent capacitance between A and B, capacitance of each capacitor is 2 μF ...

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match the following as lim(x→0) (24) 2-2cos2x /2x (a) -1 (25) xsin(2x)/(1-cos2x) (b) 0 (26) x/√(x2+|x|) (c) 1 (27) 6(sinx-x)/(x3+x2) (d) doesn't exist ...

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match the domains with functions for which it is defined (28) tantan-1x+sinsin-1x+coscos-1x (a) [-1,0] (29) sin-1cos-1x+cos-1sin-1x (b) [0,π/6] (30) sintan-1[x/√(1-x2)] (c) [2π/9,5π/18] (31) sin-1tan-1x (d) [-1,1] ...

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