The light emitted by stars spans a wide range of wavelengths. What color does the Sun's radiance reach its highest point? There must be a problem with Spica.

Q: Activity 2: Diagram Making Draw a diagram showing the conditions for interference. The diagram…

A: Interefence is nothing but multiplyonh light wave interfering with one another under certain…

Q: A car of mass m rests at the top of a hill of height h before rolling without friction into a crash…

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Q: At just over 4000 ft, the flat summit of Mt. Ka'ala is the highest peak on Oahu. At that elevation,…

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Q: In the figure a uniform electric field is directed out of the page within a circular region of…

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Q: Plutonium 2 Pu nucleus produced in a nuclear reactor undergoes alpha decay. Determine the daughter…

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Q: An 6 hour exposure to a sound intensity level of 90.0 dB may cause hearing damage. What energy in…

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Q: Calculate the work done by the force F(x, y) = y2 i + xy j in moving a particle along the line which…

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Q: A rollercoaster has a speed of 37.5 m/s as it reaches the trough between two big hills. The radius…

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Q: We start with some review problems A crate of mass 34.7 kg rests on a level surface, with a…

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Q: At a crime scene, the forensic investigator notes that the 6.2-gg lead bullet that was stopped in a…

A: Given: The mass of the lead bullet : m = 6.2 g (6.2 x 10-3 kg). The specific heat of lead: c = 130…

Q: A commuter train blows its 200 Hz horn as it approaches a crossing. The speed of sound is 334 m/s.…

A: This question is based on the Doppler's effect          The apparent frequency is given by…

Q: A beam of green light enters glass from air, at an angle of incidence = 24 degrees. The frequency of…

A: Solution:-

Q: A 50.0 kg skater is traveling due east at a speed of 3.00 m/s. A 70.0 kg skater is moving due south…

A: by conservation of momentum 50×3i^-70×7j^=50+70vcosθi^-vsinθj^

Q: A 3-ton airplane normally flies at 300 km/hr. If it experiences a 30 km/hr headwind (i.e., a wind…

A: There is no use of 3 ton (airplane weight) in the question. You have to apply basic physics…

Q: Practice Problems (2) Calculate: core/cladding interface The angle of refraction at the air/core…

A: Snell's law states that the ratio of the sine of the angles of incidence and refraction is…

Q: To make an electric generator, a 142-turn square coil of side 20.0 cm rotates about a vertical axis…

A: Write the given values with the suitable variables. N=142a=20 cm=0.2 mω=25 rev/s=50π rad/sB=0.7…

Q: core/cladding interface Calculate: The angle of refraction at the air/core interface, 0, critical…

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Q: Consider the free-body diagram shown below. Use the numerical value for the individual forces and…

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Q: A force with magnitude 45 N acts directly upward from the xy-plane on an object with mass 9 kg. The…

A: acceleration, a→=Fm→=45k^9=5k^ m/s2

Q: in a collision, if momentum is conserved then so is mechanical (kinetic) energy, in all cases T or…

A:

Q: A proton and an electron are separately placed in a uniform electric field created inside a pair of…

A: The correct choice is option (2).

Q: 1. The velocity of an alpha particle, He?, with mass m = 6.64×10-27kg changes from u1 = (-0.30,…

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Q: This time we have a crate of mass 25.6 kg on an inclined surface, with a coefficient of kinetic…

A: mass of crate (m) = 25.6 kg coefficient of kinetic friction = 0.291 acceleration (a) = 4.33 ms2

Q: A snowball off a roof that slopes downward at an angle of 40°. The edge of the roof is 14.0 m above…

A: The direction at which the ball leaves the roof is shown below vx=v0cos40°,vy=-v0sin40°

Q: Question A9 On absorption of a single neutron, plutonium Pu-239 can undergo fission into xenon…

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Q: Situation 13. A crate that has a mass of 50.0 kg requires a 250 N force applied horizontally so that…

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Q: Hint 1 A small block of mass 246 g starts at rest at A, slides to B where its speed is vg = 5.4 m/s,…

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Q: Two speakers play identical tones of frequency 120 Hz. The speed of sound is 360 m/s. If 1=12.5 m…

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Q: While on a Boy Scout hike, Jeremy walked 9.0 km north, 3 km east, 11.0 km north, and 15.0 km west.…

A: The diagram of the given situation is given below

Q: The base of a metal block, which is fixed in place, measures 90 cm by 90 cm, and the height of the…

A:

Q: A 0.330-kg volleyball is thrown vertically downward with a speed of 0.150 m/s in a place where g =…

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Q: С. 25% D. 0.0075% E. 10% 9. The specific heat of water is 4186 J/kg- C, which is twice higher than…

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Q: A heat engine takes in 400 J of energy from a hot reservoir and performs 21.0 J of work in each…

A: Given: The heat taken by the engine is 400 J. The work performed by the engine is 21 J.

Q: 7. Which of the following best describes the image formed by a convex mirror when the object…

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Q: If a bus travelling at 28 m/s is subjected to a steady 4 m/s?, how Ilong will it take to come to…

A: Given data :                       Deceleration     =    a                       Initial velocity…

Q: Three springs are connected in series. A force of 1.5g N is applied. Each spring has a spring…

A: spring constant of each sprink (k) = 200 Nmforce = 1.5 gN

Q: The formula for the volume of a sphere is V =TR. The radius of a sphere is increased by 11.0%. This…

A: Given(s): We are dealing with a sphere. Radius is increased by 11.0%, Required: Change in volume.

Q: A concave smooth surface will avoid the diffusion of sound energy in all directions. Select one: O…

A: Above  statement is TRUE. Reason 1)concave surfaces focus sound waves, thereby concentrating the…

Q: Passenger on a carnivak ride nove at a constant speed in a horizontal circle of radius 5.0 m, making…

A: Given:  radius of circular path traversed by passenger, R = 5 m Time taken to complete one full…

Q: The fact that light can be polarized and sound cannot be polarized can be best explained by which?…

A: Light is a Transverse wave by nature which means its direction of propagation is perpendicular to…

Q: 1. A 3.50-cm tall plastic bottle is placed a distance of 9 cm from a concave mirror having a focal…

A: Given(s): It is a concave mirror. Focal length, f=18 cm Object distance, u=9 cm Object height,…

Q: A parallel-plate capacitor with circular plates of radius R = 0.085 m is being discharged. A…

A: Given Radius of the circular plates is R=0.085 m Radius of the circular loop is r=0.17 m…

Q: A concave mirror has a focal length of 20 cm. What is the position (in cm) of the resulting image if…

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Q: Listen A 3.0-kg object moving at 6.0 m/s encounters a 20-Newton resistive force over a duration of…

A: Impulse is define as the change in the linear momentum of the object. So it is directly proportional…

Q: A person looking into an empty container of depth h = 16 cm can see up to a distance d = 14 cm as…

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Q: 1. A concave mirror forms an inverted image three times larger than the object. Find the focal…

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Q: What can you say about Coulomb forces between two charges +1uC and +2µC separated by distance 1 um…

A: electric force is directed along th line joining the two charges

Q: A diver of mass 73.1 kg stands on one end of a diving board of mass 30.9 kg, as shown in the…

A: Given: The mass of the diver is 73.1 kg. The mass of the board is 30.9 kg.

Q: 0.25 m tall object is placed 0.41 m from a converging lens with a 0.11 m focal length. How tall is…

A: Given: The height of the object is 0.25 m. The location of the object is 0.41 m in front of the…

Q: ans. by pen and paper Q3:- A convex lens with a focal length of (8 cm), an object of (4 cm) height…

A:

Dispersion of White Light

Snell’s law is a formula that gives a relation between the angle of incidence and angle of refraction and is given as: