Please written by hand how do you predict the character of light emitted from a nanocrystalline semiconductor irradiated with violet light will be altered as the size is reduced

Q: 21.45 • Three parallel sheets of charge, large enough to be treated as infinite sheets, are perpendi...

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Q: Calculate the magnitude and direction of the electric field 0.65 m from a - 7.85 x 10 -9C point char...

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Q: A litre of dry air weighs 1-293 gram at S.T.P. Find the temperature at which a litre of air will wei...

A: B

Q: ollege.com/course.html?courseld%3D172213328OpenVellumHMAC=D9208e34104b2ff07559f86fc719d680a#10001 A ...

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Q: v (m/s) 20 I (s) 5 20 30

A: Given : Velocity at 5 s = 20 m/s Velocity at 20 s = 20 m/s Velocity at 30 s = 0 m/s

Q: Three negative point charges lie along a line as shown in the figure below. Find the magnitude and d...

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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: 1. A voltmeter has an internal resistance of 500 kilo-ohm. Determine the voltage drop across the vol...

A: According to guidelines we need to solve only first question kindly repost other questions in the ne...

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Q: The makers of a certain automobile advertised that their car could accelerate from 15 miles per hour...

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Q: A block of mass M1 = 3 kg rests on top of another block of mass M2 = 5 kg. As shown in the figure, t...

A: Draw the free-body diagram of the upper block.

Q: 3) An electric current runs through a wire in the shape of a circle. The direction of the current is...

A: Current carrying wire generates a field which is different from electrostatic field. This field is c...

Q: 6. A solid cylinder (radius = 13.5 cm, height = 13.5 cm) has a mass of 6.57 kg. This cylinder is flo...

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Q: You would like to create a reflection grating like the one Incident light shown, with an incident an...

A: Given Datan=1for first order 

Q: A proton is released from rest at x = -2.0 cm in a constant electric field with magnitude 1.50 x10^3...

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Q: (a) Calculate the capacitance of a parallel-plate capacitor whose plates are 30. cm x 5.0 cm and are...

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Q: 1.33 • Vector A is 2.80 cm long and is 60.0° above the x-axis in the first quadrant. Vector B is 1.9...

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Q: Pin A, which is attached to link AB, is constrained to move in the circular slot CD. Knowing that at...

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Q: A uniform line charge density of 20nC /m lies on the z -axis between z=1 and z=3 m. No other charges...

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Q: To pop cans are at rest on a stand a fire crackers place between the cans and lit the fire cracker e...

A: The law of conservation of momentum states that in an isolated system the total momentum of the syst...

Q: A litre of dry air weighs 1-293 gram at S.T.P. Find the temperature at which a litre of air will wei...

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Q: Which figure correctly shows the absolute value of the electric potential as a function of a distanc...

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Q: Break down and explain the motion projectile enumerating the relation of its component to a rectilin...

A: Motion of projectile can be divided into x component and y component.

Q: The capacitor of capacitance C is charged to a potential difference AV and disconnected from the bat...

A: We have a parallel plate capacitor of capacitance C which is charged to a potential difference (delt...

Q: in Bohr's hydrogen model, the electrons move in a circular orbit around the proton and its momentum ...

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Q: A 200 Kg bus sppeds along at 56 mph. The coefficient of friction between the tires and road is 0.8 i...

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Q: (a) How much gravitational potential energy (relative to the ground on which it is built) is stored ...

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Q: A particle moves along the vertical y axis, starting from the origin y=0, on a planet with a differe...

A: Given that:- Maximum height attained by particle=y2=17.764m

Q: Q 18) What is the sound intensity level in decibels for an ultrasound with a intensity (W/m2 105)?

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Q: The system shown below is in equilibrium. a. Draw the free body diagram of the system.  b. What is t...

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Q: The tocal length of a concave mirror is equal to * The diameter of the ball Radius of the sphere. A ...

A: 1 ).  Option (c) is correct. i.e The focal length of a concave mirror is equal to quarter of the dia...

Q: A ball is thrown vertically upward with a speed of 15.0 m/s. (a) How high does it rise? (b) How long...

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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: A 50 Gram sample of Uranium ore is put into a centrifuge that runs at 30,000 rpm. If the radius of t...

A: We know that v = rw Centripetal acceleration= v2 /r = rw2    

Q: 3) Atmospheric pressure on the peak of Mt. Everest can be as low as 150 mm Hg, which is why climbers...

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Q: Same situation as in the previous two problems this time the magnet s mass is 5.28 kg and the magnet...

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Q: A steel wire having a radius of 2.0 mm, carrying a load of 4kg, is hanging from a ceiling. Given tha...

A: Answer:-  Given  Radius of the wire(r) = 2.0 mm = 2 × 10-3 m  Area of the wire(A) = π r2  A = 3.14 ×...

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: Suppose 0.1 kg ice at 0 Celsius (273K) is in 0.5kg water at 20 Celsius (293K). What is the final tem...

A: We have mass of ice m1=0.1 kg at a temperature T1=273 K and water of mass m2=0.5 kg and temperature ...

Q: a) 64 m/s b) 44 m/s c) 24 m/s d) 51 m/s e) 58 m/s

A: According to work energy theorem Work done = change in kinetic energy Work done by conservative forc...

Q: A certain radio wave has a wavelength of 7 inches. a. Convert the wavelength of this radio wave into...

A: Given Wavelength of the radio wave is given as λ=7 inches

Q: A balanced three - phase, three - wire abc system has delta - connected load witha 50 Q resistor, a ...

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Q: How many lines per centimetre does a grating have if the third-order bright fringe occurs at a 13.0°...

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Q: 1. Why is it important to avoid sharp edges or points on conductors used in high-voltage equipment? ...

A: Surface charge density = charge/Area = q/A 

Q: Given the acceleration of gravity at a surface of Planet K is ⅛ of what it is on Earth and that K ha...

A: Acceleration due to gravity at planet K = one - eight of the acceleration due to gravity on earth  M...

Q: tires of a car make 85 revolutions as the car reduces its speed uniformly from 87.0 km/hkm/h to 58.0...

A: Given  tires of a car make 85 revolutions as the car reduces its speed uniformly from 87.0 km/h to 5...

Q: The aorta carries blood away from the heart at a speed of about 40 cm/s and has a radius of approxim...

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Q: A 100 kg people and a 75 kg person are sitting on a bench. Estimate the magnitude of the longitudina...

A: Given that:M=100 kgm=75 kgd=220 cm=2.20 m

Q: A dresser is being pushed by one person and pulled by another(as shown) such that is slides across t...

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Q: A quantity that allows us to distinguish between laminar flow and turbulent flow Othe flow O Bois Zo...

A: Answer:-  Reynolds number  Reynolds number that allows us to distinguish between laminar flow and tu...