Which of the following is the reflected ray for ray 2?       a     b     c     d

Q: A positive gas ion with mass 1.5×10−27kg1.5×10−27kg is traveling with speed 200m/s200m/s in the…

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Q: A car traveled up a hill at a constant speed of 10 m/s  and then re down the hill at  20m /s. If the…

A: Given: The constant speed with which the car traveled up the hill: v1 = 10 m/s. The constant speed…

Q: The wave functions of two sinusoidal waves y1 and y2 travelling to the right are given by: y1 = 0.02…

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Q: Over a distance of 235  meters, an automobile going initially at +1.0 m/s accelerates evenly at…

A: Given  d = 235 m  Initial velocity of automobile  vi = + 1 m/s  Acceleration ( a) = +0.70 m/s2   Let…

Q: t is in seconds. Determine the shortest distance between a node and an antinode.

A: We know the distance between node and antinode is λ4 so for 2 meter stretched wire λ= wavelength =…

Q: A new band sensation is playing a concert and recording it for a live album to be released this…

A: Statement 2,4 and 7 are true

Q: Which of the following is TRUE for a magnetic field magnitude?  a Magnetic field is stronger at the…

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Q: You are given a number of 18 Q resistors, each capable of dissipating only 3.3 W without being…

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Q: Two transverse waves y1 = 2 sin(2Tt - TIX) and y2 = 2 sin(2Tt - TTX + Tt/3) are moving in the same…

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Q: A 0.63 kg mass rests on top of a vertical spring with spring constant 65 N /M a) When the mass sits…

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Q: An ideal gas has initial volume of 0.550 m3 and pressure of 9.65 x 104 Pa. (a) If the initial…

A: Volume, V = 0.550 m³ Pressure, P1 = 9.65×10⁴ Pa Initial temperature, T1 = 281 K Final temperature,…

Q: When the nurse takes your blood pressure, you usually are seated and it is usually measured on the…

A: In leg the blood pressure readings will be greater in comparison to the arm. It has been recognised…

Q: I use a converging lens of 300 mm focal length to project the image of a A4 transparency (height of…

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Q: How will you change the magnitude of the magnetic field?  I. Increasing/decreasing the number of…

A: Magnetic field is proportional to the number of current loops. Changing  the surface area ,…

Q: e) 1.16 x 10 Watts 11. Two Polaroid sheets are inserted between two other Polaroid sheets which have…

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Q: When a string of length L has both ends fixed, the fundamental mode for standing waves in the string…

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Q: What continuous acceleration is necessary to accelerate an automobile from 20 to 50 miles per hour…

A: Initial velocity , u = 20 mile/hr u = 20×0.447 m/s = 8.94 m/s  Final velocity , v = 50 mile/hr  v =…

Q: A 3 kg point mass is at coordinates (4 m, 5 m), a 6 kg mass is at (-8,3) and a 3kg mass is at (x,y)…

A: Dear student The moment of inertia is defined as: I = mr2 where, r = perpendicular distance of…

Q: Find the tension T in the cable in the arrangement (a). (Figure 1)In each case let w be the weight…

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Q: first and the fifth harmonic of a standing wave on a taut string is f5 - f1 = 50 Hz. The speed of…

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Q: You mix 300 g of hot coffee at 80°C with some amount of cold cream at 10°C. When the coffee and the…

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Q: A 0.20 m tall object is placed 0.44 m from a converging lens with a 0.07 m focal length. How tall is…

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Q: A fire whistle emits a tone of 170 Hz. What is the wavelength of the fire whistle? 0.5 m. 1.0 m. 2.0…

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Q: -4. How far is your image from you when you stand 4.40 m away from a plane mirrort a) 2.20 m D 24.40…

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Q: Two conductors are made of the same material and have the same length. Conductor 1 is a solid wire…

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Q: Five simple pendulums are shown in the drawings. The length of the pendulums are drawn to scale, and…

A: Given:Five pendulumsDifferent Lengths Different mass (m or 2m)To Find:Which pendulum has the largest…

Q: The pace at which a caterpillar climbing a leaf slows from 0.75cm/s to 0.50cm/s is -0.05cm/s2. How…

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Q: A nucleus undergoes a transmutation by alpha decay. The daughter nuclide is 2 a) Determine the…

A: a) Given, the daughter nuclide is 222Rn86 . In alpha decay the mass number decreases by 4 and the…

Q: Consider a 10 cm tall object placed 60 cm from a concave mirror with a focal length of 40 cm. The…

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Q: QUESTION 1 An object is moving in a straight line. For this object, the displacement with velocity…

A: Note: "Since you have asked multiple questions, as per our guidelines we will solve the first…

Q: A projectile is launched from the edge of a 9.5 m high cliff with a horizontal initial velocity vo…

A: Given: The intial velocity of the object is 11.4 m/s in the horizontal direction. The height of the…

Q: What happens if you place a proton and an electron close together?

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Q: QUESTION 5 If the line of best fit for your torque speed curve is described by the following…

A: The torque-speed equation is given as T=-0.048x+0.4

Q: (a) What is the magnitude of the tangential acceleration of a bug on the rim of a 13.0-in.-diameter…

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Q: A cheetah can accelerate from rest to 7.4 m/s (about 17 m/h) in 1.1 seconds. How much average power…

A: The correct choice of answer is option (a) i.e. 1300 W

Q: The Nardo ring is a circular test track for cars. It has a circumference of 12.5 km. Cars travel…

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Q: Two identical loudspeakers placed 3.00 m apart are driven by the same oscillator (Figure below). A…

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Q: In the first test the rider accelerates from 48 km/h to 80 km/h, over a distance of 190 m whilst…

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Q: You are driving down the road at 34.2 meters per second when you suddenly see a fallen tree blocking…

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Q: An electric iron of resistance 24 ohms takes a current of 6 A. Find the heat developed in 35 s.

A: Given data :                           Time     =     t                     Current      =     I…

Q: In a single slit diffraction experiment, the width of the slit is 3.1 x 10-5 m and the distance from…

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Q: The driver ofa car travelins 16.0 m/s sounds his horn as he approaches anintersechon, If the horn…

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Q: 7. A current (I) flows from left (L) to right (R) in a long, straight conductor as shown in the…

A: Direction of current = left to right Direction of velocity of electron  = left

Q: 3.3) Determine the angular velocity in r.p.m. at which point of losing contact with the surface of…

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Q: A rocket cruises past a laboratory at 0.400 x 10° m/s in the positive I-direction just as a proton…

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Q: A standing wave with wavelength of 2 m, speed of 20 m/s and amplitude of 2 mm is generated on a taut…

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Q: Whilst the vast majority of alpha particles passed through the gold foil with little or no…

A: According to the accepted atomic model before Rutherford’s gold leaf experiment, the mass and charge…

Q: 2. Find the average binding energy per nueleon for Bromine, Br (atomic mass= 78.918336 u). a) 8.69…

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Q: A machine gun fires 9 bullets /s, each of mass 8 g the speed to each bullets is 12 cm/-1 then force…

A: Given data :                     Speed of each bullet      =     v                    Mass  of…

Q: Which of the following is TRUE when a charged particle moves parallel to a magnetic field?  a It…

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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: