38. Which of the following can give rise to a line spectrum? 1. An incandescent solid 2. an incandescent liquid 3. an electrical discharge through a low pressure gas

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A: The initial speed of the automobile is given as The acceleration of the automobile is The…

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A: Scenario: A charged particle q is projected to traverse with constant speed v in a magnetic field B…

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Q: 44) In a radioactive decay 1. the total mass of the products is less 2. the energy released may be…

A: Radioactive decay is a special phenomenon shown by a certain atoms like uranium, radium etc.

Q: 43) The joule-second can be a unit for 1. power 2. linear momentum 3. plank's constant

A: Given three option- power, linear momentum and Plank's constant. The formula for power is, P=Wt The…

Q: 33) In Young's double slit experiment, the slits S, and Sz are very close to each other and the…

A: The answer is given below

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A:

Q: 37) For a nuclear reactor, which of the following statements is /are true 1. The control rods…

A: Option A is the right answer  Both statement 1 and 2 is true.

Q: A 4 kg object possesses 25 J of kinetic energy. a) What is its velocity in m/s? b) What is the…

A: Given  Mass of object = M = 4 kg  Kinetic energy of object,E = 25 J  Velocity,V =???

Q: 40) When two parallel wires are carrying equal currents, the magnitude of the force between the…

A: Force per unit length can be given as  F= μ0I1I22πd Where d is distance between them and  μ0is the…

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Q: Use your pen or pencil and paper to verity, showing all your work, that the range equation holds…

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Q: What function is used to model distance as a function of time in accelerated motion?

A:

Q: 33) Fig. 33 shows a circuit, which can be used to measure, the emf of a cell, P using a…

A: Potentiometer is an instrument used to measure the unknown voltage(P) by comparison with the known…

Q: 38 It is commonly observed that when a loaded truck stops as it ascends and inclined road, an object…

A: This question can easily be solved by applying the basic concept of Rolling motion and friction .

Q: 7. For both qraphs below following: g complete the time (0 tme lu Graph I Graph2 acceleration (mfs)…

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Q: respectively when the same monochromatic parallel beam illuminates each slit, Fig. 8 Y A Figure 8 B…

A: we are given a curve of intensity   and given is two  slits P and Q .

Q: 41) In an experiment, a wire was stretched by a load and the following quantities were recoded: load…

A: The equation of stress is given by, σ=LoadCross-sectional area The equation of strain is given by,…

Q: 57 Petermina the vol tage drep 4 -dhm vesiston in across the figure below. 10 J

A:

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Q: What type of tool is not used in precision layout?       Sine tools       Height gage…

A: To explain the correct option is given as,

Q: 1) When solving the impact problems, we should always assume that during an impact between two…

A: At the time of  an impact between two bodies,  there will be a permanent deformation depending on…

Q: 45) Which of the following statements about the force and potential energy (p.e.) between…

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Q: QUESTION 2 2. A car drives at a speed of 8 m/s for 14 seconds. How far does it move in that time?…

A: Find the displacement of the car moves in the given time. v=dtd=vt

Q: h One end of a ladder of length L rests on the ground and the other end rests on the top of a wall…

A: The diagram for the problem is given below.Let us consider that ED = h', CE = y, AC = L-yAs, AE = L,…

Q: 35. Which of the following phenomenon can be used to explain the formation of rainbow? Advanced…

A: Solution: What is the phenomenon  of the rain bow.

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A: Given information , average time = 0.856 s Acceleration due to gravity , g = 9.8 m/s2 Height from…

Q: 39. In order to reduce eddy current losses in a transformer, 1. The core in laminated 2. The…

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Q: A praricle performs simple harmonic motiou biween two points A and B which are 10 metres apart on a…

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Q: You are traveling in Great Britain where fuel is sold in liters. At your first fill up you purchase…

A: Volume is Note:Find:Convert the volume into