Find the wavelength (in nm) of a photon whose energy is 4.90 × 10-1⁹ J.

Q: 2.00 mol of gas at a temperature of -160 °C fills a 2.70 L container. What is the gas pressure?…

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Q: Light of frequency 3.75 x 10¹4 Hz is incident normally on a glass plate of thickness 3.00 cm and…

A: Solution:Given:1 m = 100 cmc = speed of the light = 3.00 x 108 m/sf = frequency of the light = 3.75…

Q: We can make a simple model of the human vocal tract as an open-closed tube extending from the…

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Q: A wagon is rolling forward on level ground. Friction is negligible. The person sitting in the wagon…

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Q: Two masses, 8kg and 12 kg are connected by a straight massless stick. Carol holds the 8 kg mass in…

A: The objective of this question is to find the center of mass of the combined two masses.

Q: A 100 kg one-man bobsled starts from rest 50 m from the end of an icy, 15° slope. A giant 2.0-m-long…

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Q: A certain copper wire has a resistance of 10.0 ohm (Ω). Show the steps in each question. a) At…

A: Given,The resistance is We know,Resistance is directly depends on length as follows,

Q: A 20-cm-long stick of m=0.600 kg is lifted by a rope tied 5.0 cm from the upper end. The other end…

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Q: How can be obtain the following phenomena? • Superposition • Diffraction • Interference

A: Superposition can be obtained by combining multiple independent effects or states in a linear…

Q: Question 10: In the PhET simulation, you experiment with hanging different masses on vertical…

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Q: In a certain binary-star system, each star has the same mass which is 6.4 times of that of the Sun,…

A: Given,The mass of the star is Where, , mass of the Sun.The distance between the star is Note: The…

Q: A gas expands from I to F along the three paths indicated in the figure below. Calculate the work…

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Q: What is the container's volume? Express your answer with the appropriate units. ▸ View Available…

A: Given, container holds 3.20 mol of gastherefore ideal gas equation.  ..........1where P = pressure…

Q: A small block is attached to an ideal spring and is moving in SHM on a horizontal, frictionless…

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Q: Combing your hair leads to excess electrons on the comb.

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Q: A block attached to a 15 N/m-spring constant spring moves on a frictionless horizontal surface, its…

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Q: What is the speed of propagation of the pulse? m/s

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Q: A 2.0 kg mass is suspended by two strings as shown below. Solve for the tension of each string (T1…

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Q: Calculate the relative error for your calculated for Trial #6 from the friction lab (the accepted…

A: The relative error (), is given by formula:

Q: 7. In a proton linear accelerator, protons are accelerated to have a kinetic energy of 550 MeV. What…

A: Kinetic energy of protons is Mass of proton is Note:Find:Speed of proton in terms of speed of light.

Q: Rayleigh's Criterion A what distance from your eye can you barely resolve two headlights that are…

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Q: Two boys, Brady and Quinn, are running a 100 meter race. In the race, Brady beats Quinn by 5 meters.…

A: We have Two boys, Brady and Quinn, are running a 100 meter race.In the first race, Brady beats Quinn…

Q: The frame is made from uniform rod which has a mass p per unit length. A smooth recessed slot…

A: GivenDensity Length Force Now mass is given bymass = now acceleration in each case is given byby…

Q: A 8.7 kg mass hanging from a spring scale is slowly lowered onto a vertical spring, as shown in…

A: We have given mass which is hanging from a spring scaleWe have to find1. What does the spring scale…

Q: A particle is restricted to a one-dimensional box of length L. It absorbs a photon whose wavelength…

A: Write a given values of this question.Other state of the photon jump.

Q: a)Suppose a 32-turn coil lies in the plane of the screen in a uniform magnetic field that is…

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Q: What is the magnitude of the force on the 1.0 nCnC charge in (Figure 1)? What is the direction of…

A: Magnitude of electric force due to +2 nC charge on +1 nC charge is given as Magnitude of electric…

Q: The three spheres in the figure, with masses mA = 79 g, me = 7 g, and mc = 22 g, have their centers…

A: Given dataThe mass of sphere A is mA = 79 g = 0.079 kgThe mass of sphere B is mB = 7 g = 0.007 kgThe…

Q: (a) Compute the moment of inertia I about the center. (PLEASE SEE FIGURE 10. 21 IN THE E-BOOK OR THE…

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Q: Find an expression of the ball's speed in terms of a, h, y, and g. Express your answer in terms of…

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Q: Part A What is the particle's speed at B? Express your answer with the appropriate units. VB =…

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Q: A ball on a massless, rigid rod oscillates as a simple pendulum with a period of 3.0 s on Earth. If…

A: The period of the pendulum is given as .The gravitational acceleration on the moon is of the value…

Q: An astronaut, with her space-suit, has a mass 80 kg. The gravitational field strength on the Moon is…

A: Concept:We know the weight of the person on the surface of the planet where the gravitational field…

Q: A ball of mass 0.305 kg that is moving with a speed of 5.8 m/s collides head-on and elastically with…

A: Given,The mass of the moving ball The initial speed of the moving ball The mass of the other ball…

Q: Two marbles of the same mass perform a perfectly clastic and one-dimensional collision. If one of…

A: We have two marbles of the same mass perform a perfectly clastic and one-dimensional collision.If…

Q: A stone is dropped from the upper observation deck of a tower, 550 m above the ground. (Assume g =…

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Q: A capacitor (capacitance C₁) is connected across the terminals of an ac generator. Without changing…

A: When two capacitors are connected in series then equivalent capacitance can be given as, When two…

Q: Two blocks are connected by a cord (of negligible mass) that passes over a pulley of negligible…

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Q: A ball is dropped from rest from a height of 20.0 m above the ground:i) How long will it take the…

A: The objective of this question is to find out the time it takes for a ball to hit the ground when it…

Q: A single slit in an opaque screen 0.10 mm wide is illustrated (in air) by plane waves from a krypton…

A: Write the given values to the specified variables.Here, b, , and d are the width, wavelength, and…

Q: The illumination of an object by a light source is directly proportional to the strength of the…

A: Solution:Given:P1 = power of weak sourceP2 = power of strong source = 2 x P1d = distance between…

Q: There is a rod of a certain metal length I=1.6 m, and diameter D=5.5 mm. The resistance between its…

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Q: A bicyclist is biking down a board walk by the water, the mass of him and his bike is 92.0 kg. He is…

A: Mass of bicyclist and bike (m1) = 92.0 kgInitial velocity of bicyclist and bike (v1) = 9.00…

Q: find V (electric potential) by integrating the electric field E=σ/2ε0

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Q: The figure (Figure 1) shows representations of six thermodynamic states of the same ideal gas…

A: The ideal gas equation is given by ,

Q: Two stars are 3.2 x 1011 m apart and are equally distant from the earth. A telescope has an…

A: The diffraction-limited resolution of a telescope can be described by Rayleigh's criterion, which…

Q: Consider the circuit shown below. (a)Determine the equivalent resistance and the current from the…

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Q: a)  b) Case 8: Consider the case of an object (draw yourself on the diagram, an arrow erect on the…

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Q: Treat the upper limb as one segment with a centre of mass (d2) 36.0 cm from the shoulder joint. The…

A: The objective of this question is to determine the vertical component of the force created by the…

Q: thin rod has a length of 0.653 m and rotates in a circle on a frictionless tabletop. The axis is…

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Blackbody

Q.5 A blackbody radiates how much energy when the temperature of the body is elevated?