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Q: Does the fact that the light flash from lightning reaches you before its sound prove that the speed…

A: We know that light from lightning reaches first then we listen sound.  We need to answer whether…

Q: D (mm) t (s) -0.1 0.1 0.2 0.3 0.4 0.5 -2 History granh at x = m

A: Solution

Q: an 18 5.0cm hde is cut ina large piece of cardboard A poind saurce is placed 3.0 m directly behind…

A:

Q: Can air make shadows? Explain it.

A: Air can make shadows.

Q: At what angle is maximum range can be attained?

A: An object's motion is said to be projectile motion if it is projected at an angle θ with some…

Q: An astronaut in a space shuttle claims she can just barely resolve two point sources on Earth’s…

A:

Q: Light is travelling from glass to air. Its speed in glass is 2.0 x10* m/s. Find the critical angle…

A: The critical angle is given by  sin c = 1n where, n is the refractive index of the medium.

Q: B) 70 C) 140 160 tish smms bela the surtace at the nater at p Whane shald to catuh it a tishorman…

A: For the refraction of fish,

Q: 3. A lamp is 6 m directly above a straight footpath. A person 2 m tall A Bnang the footpath away…

A:

Q: he meistara al capper wire 20oo leng is 2la S 9de thiedknear CdPameter) P 0.44mm, speie net tana Ar…

A:

Q: Which of the following best explains the existence o O index of refraction depends on wavelength O…

A: among the all of option . Last three are irrelevant

Q: Light is travelling from diamond to air. Its speed in diamond is 1.24 X108 m/s. Find the critical…

A: Given data: The speed in diamond is vd=1.24×108 m/s The refractive index of air is nair=1   Standard…

Q: تعبئة الاختبار النهائي لمادة العلوم الحياتي. . . ... صف البرمائيات صف الاسماك الغضروفية 7 مثانة…

A: Kindly post the question in English language.

Q: Why are bifocals needed mainly by older persons and notgenerally by younger people?

A: Generally, younger people suffer from either myopia or hypermetropia. Hence, they use a single lens…

Q: The SOUND waver ferels width sfeenof 41om/s. If is 18 4 cm Find the frequenry ofcome

A: Given data :   Wave length   =   λ    Speed of sound   =   V        To find :         Frequency

Q: Why is the lettering on the front of some vehicles “backward”?

A:

Q: Why can you hear corners but not see around corners?

A:

Q: whort is veletion ave There between the angle o f Codent Ci) anod he ongle of veflection (r) ?

A:

Q: 2î-33 %3D Components, magaitude what is 3 A uhat is 2 A - 36 3? |

A: GivenA→=2 i-3 jB→=-4 i+3j

Q: Question two chariges qq = 30 MC and Let there %3D - 26 Me The coondinate of n is (-9, 6) - e oon…

A: Given, Position of charge q1 = (-9 cm , 6 cm) Postion of point P1= (45 cm , -12 cm) To find Relative…

Q: True or False: Sound waves are generally faster than light waves. O True O False

A: The speed of light in a vacuum is 3×108 m/s. The sound requires a medium to travel. The speed of…

Q: I1obn in Tuo or Three Phụsiés - ohan in Two or Three Cwensios what does it mean when a problem ocks…

A: Given , range of value (-180°,180°).

Q: How resolving power of microscope can be increased?

A: Write the expression for the resolving power.

Q: close together could the boats be and still be detected as two objects? 641.72 Recall that…

A: frequency = f = 19 GHz distance from boat to antenna = L = 7 Km = 7000 m diameter = D = 2.1 m

Q: Bruno is standing upon the edge of the water with his high-powered laser gun, waiting to zap the…

A: Sketch of the scenario

Q: An ideal lighting system is a totally luminous ceiling. (True/False)

A: Required : True or False

Q: An astronaut in a space shuttle claims she can just barely resolve two point sources on Earth’s…

A:

Q: uestion 5 Phenomenon of bending of light around corners of a small obstacle and spreading into…

A: It's a concept of light phenomena.

Q: How can the resolving power of microscope is determine?

A: For microscopes, the resolving power is the inverse of the distance between two objects that can be…

Q: I can not see the equation clearly. Can you show it  in other method or by handwrite?

A: Please see the answer below.

Q: The optical wavelength

A:

Q: 2. A box hes on a planne tilted at cn ungle Of 25° to the houzonal with a CCDEF. ficient of Kinetie…

A:

Q: The sun is 60° above the horizon. Rays from the sun strike the still surface of a pond and cast a…

A:

Q: B- as = Hol + H0E0 dt Hol + HoEo %3D

A: Electric flux is the number of electric lines entering normally through a surface

Q: The speed of light in oil is greater than the speed of light in air. Select one: O True O False

A:

Q: What is the length of the shadow cast on the vertical screen by your 10.0 cm hand if it is held at…

A: Given data: The length of hand (l) = 10.0 cm Angle (θ) =30.0 degrees above horizontal Need to…

Q: in the experiment, the horizontal range is measured by: Select one: O A protractor. O None of them O…

A: In the   experiment the horizontal range is measured by   correct answer   :    A  Meter tape

Q: 1. The horizontal line test provides a quick way to tell whether or not the inverse of a function is…

A: Statement 1 is FALSE. The vertical line test is a way to tell whether or not the inverse of a…

Q: Convert the following. Show all necessary solutions. 1. 67 miles = 2. 34ft 3. 50 yards…

A:

Q: 2. Name at least two factors that can affect diffraction.

A: Diffraction is the phenomenon when a light wave is encountered with an obstacle in its path and wave…

Q: Delermine. He ray range, ota projectile fred ara herght of Z feet abore the ground uith an tnitial…

A: Given : Height = 2 feet Initial velocity = 300 feet/s=300 X 0.3048 =91.44 m/s Angle = 25 degree

Q: Newton’s rings are observed in the reflected light of wave length 5900 Å. The diameter of 10th dark…

A:

Q: Question 2 The wavefront due to a source situated at infinity is O spherical planar O cylindrical O…

A:

Q: a pas atrooper with kii chute wei ghs 00 lks. freely a gre at Lei ght yalle ysom Sy ore opening…

A:

Q: 2. At what angle is the numerical value of the maximum height greater?

A:

Q: 11. Using propagation of error method, derive an expression for uncertainty in acceleration, oa.…

A: Since you have asked multiple questions, we will solve the first one for you. In case you need an…

Q: During an Apollo moon landing, reflecting panels were placed on the moon. This allowed earth-based…

A: Given  Time taken by laser beam t=2.52 sec  speed v=3×108 m/s

Q: According to the marks on the main (upper) scale and the sliding (lower) scale of the vernier…

A: Required : Reading on the Vernier Caliper.

Q: 11. Refraction can be occur because of ? * O due to agitation of electrons O water vapor and oxygen…

A:

Special Relativity

The theory of special relativity discusses how space and time are related to objects traveling along a straight line at a constant speed. Simply stated, as an object reaches the speed of light, its mass becomes infinite and it is unable to move faster than light. This interstellar speed limit has been the topic of much debate in astronomy, and also in science fiction when people consider how to fly over large distances.