body A is moving in North direction, while another body B is moving towards South. Velocity of A is greater than that of B. If North is taken as positive, which of the following relative velocities is positive? a) Velocity of A with respect to B b) Velocity of B with respect to A c) Velocity of A with respect to ground d) Velocity of B with respect to ground

Q: Any restrictions present on the particle’s motion in a Schrodinger Equation would affect the _______...

A: D

Q: Two sheets of charge, the first has a charge density of 10 nC/m2 and the second has a charge density...

A: first sheet is at y=0 and other sheet is at y=5 charge density on sheet σ1=10nC/m2  and σ2=-10nC/m2 ...

Q: The cluster of galaxies which is farthest from the Earth is __________ a) Abel 2218 b) Milky way c) ...

A: A

Q: An object's (one dimensional) motion is represented by the following equation of position 6) versus ...

A:

Q: The dimension whose unit does not depend on any other dimension’s unit is known as ________ a) Funda...

A: A

Q: Which mathematical quantity is imagined to be present at the center of a black hole? a) Unity b) Sin...

A: B

Q: The velocity of a body varies as, v = 2t+5t2. What is the acceleration at t = 10? a) 102 b) 100 c) -...

A: A

Q: The probability of finding an electron is zero in pxy along __________ a) x-axis b) y-axis c) z-axis...

A: C

Q: nebula formed when a dying sun sized star begins to shed its outer layer is called as ____________ a...

A: D

Q: How many degrees of freedom does a chemical compound of N atoms have? a) 2N b) 2N + 1 c) 3N d) 3N + ...

A: C

Q: What would be the most probable velocity for one Oxygen molecule at 300 K? a) 612 m/s b) 714 m/s c) ...

A: B

Q: An electric field of strength E = 8200 N/C is directed along the +x-axis as shown. A proton is initi...

A:

Q: Calculate the minimum uncertainty in the momentum of a 4He atom confined to 0.40 nm. a) 2.02 X 10-25...

A: C

Q: How many inches are there in 1 yard? a) 12 b) 36 c) 6 d) 18

A: B

Q: The particle simultaneously participates in two oscillations of the same direction: x1 = 4cos4t (cm)...

A: Superposition of Waves If two waves are given by x1=A1sinω1tx2=A2sinω2t are traveling in a medium. T...

Q: The density of molecules is maximum at which speed? a) Vrms b) Vp c) Vmean d) Vinst

A: B

Q: U The trajectory of an object is defined as x = (t-4)2, what is the velocity at t = 5? a) 2 b) 5 c) ...

A: A

Q: Weight represents ___ a) Mass b) Time c) Pressure d) Force

A: A

Q: Which one of the following units can be used to measure matter? a) Kilogram b) Newton c) Second d) M...

A: A

Q: Question What is ECM? Explain theoretically and mathematically?

A: Introduction: ECM stands for Electrochemical machining. The noteworthy feature of electrolysis is th...

Q: Most of the helium of the universe was produced __________ a) In stars b) In quasars c) At the time ...

A: D

Q: What is the standard unit of measurement of Force? a) Newton b) Joule c) Meter d) Newton-meter

A: B

Q: A bucket that has a mass of 20 kg when filled with sand needs to be lifted to the top of a 25 meter ...

A: Let's assume that at any instant of time t, the bucket along with the sand is lifted at a height of ...

Q: A block of mass M, which was initially stationary, is lowered downwards using a rope with an acceler...

A:   The free-body diagram for the problem is shown in the figure: Applying Newton's second law Fnet=m...

Q: Which of the following are NOT units of time? a) Second b) Light year c) Tropical year d) Minute

A: B

Q: Consider the vectors A = 3.00î + 5.00j and B = 4.00î – 3.00j. (a) Draw the vector sum C = A + B and ...

A: Given, A→=3.00i+5.00jB→=4.00i-3.00j

Q: The expression for displacement is x = sin(5t). The expression for acceleration is ______ a) 5sin(5t...

A: A

Q: A ball is thrown up in the sky. After reaching a height, the ball falls back. What can be said about...

A: we know average velocity =total displacementtotal time when ball goes up and falls back, it comes to...

Q: 2- For three-phase bridge inverter with resistive star-connected load: 1- Draw the circuit. 2- For 1...

A:

Q: Determine the number of significant figures in the following measurements: (a) 0.0009 (b) 15,450.0  ...

A: a) given,0.0009number of significant figure is =1b) given,15,450.0number of significant figure is =6

Q: INTRODUCTION TO VECTOR ANALYSIS Present neatly, COMPLETE and  organized solutions to the following a...

A: Given: The magnitude of vector a is 36 cm. The magnitude of vector b is 17.89 cm. The resultant vec...

Q: Mass can be measured using _____ a) Beam balance b) Clock c) Our hands d) Water

A: Answer

Q: For a particle inside a box, the potential is maximum at x = ___________ a) L b) 2L c) L/2 d) 3L

A: C

Q: What is the correct formula for relative velocity of a body A with respect to B? a) Vector VR = Vect...

A: A

Q: The Rama shift generally lies between ________ a) 100 – 1000 cm-1 b) 100 – 2000 cm-1 c) 100 – 3000 c...

A: D

Q: Which of the following is the standard unit of measurement of mass? a) Gram b) Kilogram c) Pound d) ...

A: B

Q: Which one of the following units can be used to measure matter? a) Kilogram b) Newton c) Second d) M...

A: A

Q: What are the dimensions of coefficient of friction? a) MLT-2 b) LT-1 c) L d) It is dimensionless

A: D

Q: 1

A: Given, spring constant k=2.1×105 N/mcompressed distance =2.0cm

Q: The walls of a particle in a box are supposed to be ____________ a) Small but infinitely hard b) Inf...

A: D

Q: car is moving in a spiral starting from the origin with uniform angular velocity. What can be said a...

A: A

Q: The transmission based on tunnel effect is that of a plane wave through a ____________ a) Circular B...

A: C

Q: how is a cluster production by Laser ablation in physics ??

A: To answer: How is cluster production by Laser ablation?

Q: Which of the following is equivalent to one hour? a) 36000 milliseconds b) 3600 milliseconds c) 3600...

A: A

Q: Which of the following cannot be conserved during Raman scattering? a) Total Energy b) Momentum c) K...

A: C

Q: Arrange in the increasing number of radial nodes: 3p, 4s, 1s, 5d. a) 1s < 3p < 4s < 5d b) 1...

A: C

Q: S-orbitals have no angular node. a) True b) False

A: A

Q: The electron probability density is greatest at ____________ a) r = 0 b) r = n c) r = l d) r = me

A: A

Q: When the particle strikes the wall of the well, it bounces off completely. a) True b) False

A: False