What is transitional element? Why does the presence of unpaired electrons make a substance paramagnetic in nature. Explain it with magnetic moment measurement.

Q: In a hydrogen atom the electron is at a distance a = 5.28 x 10-" m from the nuclcus, which consists ...

A: distance of electron from nucleus (a) = 5.28×10-11 m charge on electron = -1.6×10-19 C charge on pro...

Q: 1. Determine RTh and VTh at terminals 1-2 of each of the circuits of Fig. 102 www 20 V 40 2 (a) 60 2...

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Q: Part A Two forces, F1 and F2, act at a point. Fi has a magnitude of 8.80 N and is directed at an ang...

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Q: A woman bails out of an airplane at an altitude of 10,000 ft, falls freely for 17 s, then opens her ...

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Q: In the figure, the quantity w is called O a) period Ob) frequency c) wavelength d) amplitude

A: From the figure, W is the distance between the two successive crests.  Definition of wavelength: The...

Q: What is the capacitive reactance Xc of a 30.0 pF capacitor placed in an ac circuit driven at a frequ...

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Q: Show that if two stars of the same luminosity form a close binary pair, the magnitude apparent light...

A: Let mass of star 1=m1 mass of star 2=m2 apparent magnitude of m1=x apparent magnitude of m2=y

Q: (a) what power contact lens is needed to correct the vision of a person who has a near point of 72.0...

A: Given, Di=72cm Do=25cm

Q: A 2-kg ball is held 6 m above the ground. Relative to the ground its potential energy is A) 60 J. ...

A: Given data:  Mass (m) = 2 kg Height (h) = 6 m Required: Potential energy relative to the ground 

Q: A student makes a short electromagnet by winding 310 turns of wire around a wooden cylinder of diame...

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Q: What type of image is formed by a Convex mirror? A. Virtual and smaller in size than the object. B. ...

A: In convex mirror the image is always created Behind the mirror so the image is virtual. And the imag...

Q: The lens-to-retina distance of a woman is 1.94 cm, and the relaxed power of her eye is 54.0 D. (a) W...

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Q: Two charged particles are a distance of 1.82 m from each other. One of the particles has a charge of...

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Q: The big mall near Sally and Amy's city has extended their operating hours to accommodate the huge cr...

A: power of each headlight =43.0 W car battery V=12.0 volts rated Q=92.0 A.h

Q: Which task requires more work? A) lifting the 10-kg sack 2 meters B) lifting the 10-kg sack 4 mete...

A: In this question we have to find which task requires more work. Please give positive feedback if the...

Q: Three charged particles lie on an x axis. Particles 1 and 2 are fixed in place, while particle 3 is ...

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Q: Same situation as in the previous problem this time the magnet has mass 6.22 kg, the force pulling i...

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Q: Polychromatic (multiple-wavelength) light consisting of three separate wavelengths is incident from ...

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Q: The fringe of order 1 is observed at an angle of 1.1° when light of wavelength 440 nm falls on two n...

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Q: does a Geiger tube count all the radiation being emitted from a sample

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Q: force pulling it to the right is 108.0 N. The length of the cord is 1.13 m, and the ceiling is 2.75 ...

A: Previous question:-  The same situation as in the previous two problems this time the magnet s mass ...

Q: The velocity – time curve for a point moving on a straight line is given by the equation: v = 4cos(...

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Q: A crate with a mass of 15kg is being dragged across the groud at a constant velocity of 2.0 m/s by a...

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Q: Two blocks are positioned on surfaces, each inclined at the same angle of 40.6 degrees with respect ...

A: Given Data:- Mass of the black block is mb = 2.77 kg Angle of inclination is, θ = 40.60 Coefficient ...

Q: What is the eye height of the observer on a shore if the maximum distance he can see to an open sea ...

A: Given data-                         distance between observer and the object (in open sea)   D =  0....

Q: A stone is thrown vertically upward and return to the earth in 12 seconds. a.       Calculate the i...

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Q: A 17 gg audio compact disk has a diameter of 12 cm. The disk spins under a laser that reads encoded ...

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Q: A wire carrying a current 10 A has a length 0.1 m between the pole faces of a magnet at an angle 60°...

A: Given data:  Current (I) = 10 A Length (L) = 0.1 m Angle (θ) = 60° Magnetic field (B) = 0.5 T Requir...

Q: Two blocks are positioned on surfaces, each inclined at the same angle of 46.2 degrees with respect ...

A: Given: θ=46.2°μ=0.540mass of black block M1=2.56 kgmass of white block M2=?both slides right, with c...

Q: A 9.6 cm focal length converging lens is used to magnify small newspaper print 2 mm high. Calculate ...

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Q: A block of mass 7.50 kg is being pulled along a level surface as shown, by a force directed at 30.0 ...

A: Given data:  Work (W) = 255 J Force (F) = 68.0 N Angle (θ) = 30° above the horizontal Required: The ...

Q: A man on a wharf 1.2 m above sea level is pulling a rope ties to a raft at 2 m/min. How fast is the ...

A: Answer :- (c) 2.5 m/min  We know that a Right angled Triangle in this case, in which rope is the Hyp...

Q: of 40.7 degrees with respect to the horizontal. The blocks are connected by a rope which rests on a ...

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Q: Two charged parallel metal plates are separated by a distance d and a potential difference of VAB be...

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Q: If a molecule travels with a speed v m/s along the horizontal axis of a cubic vessel whose side has ...

A: Given in question: Speed of molecule = v m/s                                 Length of cubic side = ...

Q: When a chainsaw is in operation, the chain moves with a linear speed of v=5.9m/sv=5.9m/s. At the end...

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Q: Two objects are placed on a surface, and each inclined at the same angle of 54.4 degrees with respec...

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Q: What are the coefficient of Static and Kinetuc friction between the crate and the fioor? A 45.0 kg c...

A: To start motion in a object minimum force required is static friction ( limiting friction) To mainta...

Q: how can images of objects in space that are beyond our physical senses be presented in a way that we...

A:  we can understand images of objects in space that are beyond our physical senses be presented in a ...

Q: 16.5.00 A current flows in the +x within a straight horizontal wire, 1.50 m long. The wire is within...

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Q: What is the smallest separation between two slits that will produce a second-order minimum for 720 n...

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Q: Determine the total charge of the entire circuit. Select one: a. 50.88 micro Coulombs b. 79.68 micr...

A: Given:

Q: Two blocks are positioned on surfaces, each inclined at the same angle of 57.9 degrees with respect ...

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Q: particle is oscillating, following the equation: x=4 cos 5t+ 6 sin 5t, where x is in meters and t is...

A: Given Equation of particle x = 4 Cos5t +6 sin5t 

Q: Part C For the vectors shown in the figure, determine (Eigure 1) the magnitude of 2A-3B + 20 Express...

A: We have to find the magnitude and direction of 2A-3B+2C

Q: 1. Three charges are placed as shown below: Qi = Q2 = +5.0 µC and q = -2.0 µC. Draw the free-body di...

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Q: Part A Light is incident along the normal to face AB of a glass prism of refractive index 1.60, as s...

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Q: A spring of constant k = 0.5Nm and an attached mass m oscillate on a smooth horizontal table. When t...

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Q: An electron with a charge of -1.6 x10-19 C provided by the electron gun inside the TV, enters a regi...

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Q: The volume flow rate in an artery supplying the brain is 3.6 x 10-6 m3/s. a) If the radius of the ar...

A: The cross sectional shape of a artery is a circle. The area of a circle of radius r is A = πr2 Flow ...