A lamp of 500 cd is placed at the center of a room, 20m x 10m x 5m. Calculate the illumination in each corner of the floor.

Q: Two objects are located along the y-axis. Object A has a charge of +25 µC and is located at the…

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Q: 7. Where are lights generally positioned in a 3D image? A. At the right of the image B. Below the xy…

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Q: 3. Using values in the diagram derive an expression for r m F = mv/r F= kQq/r?

A: Centripetal force is given by                                                           Fc=mv2r…

Q: c) f = tan 0.785 - x 9.8 cos 0.785 x = 1.3, 8x = ±0.2 ==

A: The problem seems to be incomplete. The given information is:f = tan 0.7859.8 cos 0.785x = 1.38x =…

Q: 5. Consider the resistor network connecting points A and B in the figure be- low. What is the…

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Q: 3. What is the frequency of a photon that has a wavelength of 2.5 x 107 m?

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Q: What color is the object in figure B?   a.Black   b.No color   c.White   d. Red

A: As we know that we see that colour of the object which colour is reflected by that object. Here in…

Q: Coherent light of frequency 6.40 x 101¹4 Hz passes through two thin slits and falls on a screen 82.0…

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Q: Light hits a plane mirror at a 63° angle measured from the mirror surface. What is the reflected…

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Q: Is the flux positive or negative in: S1 S2 S3

A: Flux is given as  Q = B.A Where B is field and A is area vector.

Q: 3. Region 1 (z0) is characterized by &2= 4. Let E, = -30ax + 50ay+70a, V/m, find: a) E2. b) D2 c)…

A: Given: E1→=-30ax+30ay+70azεr1=2.5εr2=4

Q: If the figure is translated 4 units left, what are the coordinates of

A: (d) Introduction: When a ray of light approaches a smooth polished surface and the light ray bounces…

Q: b. Review. A snowmobile is originally at the point with posi- tion vector 29.0 m at 95.0…

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Q: What color is the object in figure A?   a.White   b.No color   c.Blue   d.Yellow

A: As we know that we look the object as that colour which that object reflects. Because that reflected…

Q: The image produced by a concave mirror is located 33 cm in front of the mirror. The focal length of…

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Q: What is the strength of the magnetic field at the center of the loop in the figure? (Figure 1)…

A: Given, I = 4.8 A d = 1.9cm R = 0.95cm = 0.0095m

Q: 1. The sun is approximately 1.5x1011m from the Earth. About how long does it take for sunlight to…

A: Distance between sun and earth is given as s = 1.5×1011 mSince sunlight is an Electromagnetic wave…

Q: 2. Determine the (hkil) indices for the planes shown in the hexagonal unit cells below (a), (c). and…

A: Miller indices for hexagonal has four indicesIndices are the points where our vectors intersect the…

Q: Calculate the wavelength of a photon that has a frequency of 3.5 x 101 Hz. Convert your answer into…

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Q: Projected images are A. Virtual images B. Neither real nor virtual. C. Real images…

A: Required : What are projected images