<u>26mm</u> is the thinnest thickness of oil that will brightly reflect the light.
What is wavelength ?
The distance over which a periodic wave's shape repeats is known as the wavelength in physics. It is a property of both traveling waves and standing waves as well as other spatial wave patterns. It is the distance between two successive corresponding locations of the same phase on the wave, such as two nearby crests, troughs, or zero crossings. The spatial frequency is the reciprocal of wavelength. The Greek letter lambda () is frequently used to represent wavelength. The term wavelength is also occasionally used to refer to modulated waves, their sinusoidal envelopes, or waves created by the interference of several sinusoids.
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Answer:
So 240V RMS is equivalent to 339 V peak, or 679 V peak to peak and can be written as 240 Vrms. (the formula is Vrms = Vmax / √2). The waveform is a sinusoid varying about a neutral, which can also be drawn as a vector with a single arrow pointing away from neutral.
Answer:
t' = 458.26 μs
Explanation:
given,
distance traveled by the cosmic ray = 60 Km
time = 500 μs
time taken for the journey according to cosmic ray = ?
now,
v = 1.2 x 10⁸ m/s
according to time dilation formula
t' = 500 x 0.9165
t' = 458.26 μs
We have that since 1.351ns>1.2 ns
1351 is the longer amount of time 1.2 ns
From the question we are told
The longer amount of time,
1351 ps or 1.2 ns
Generally the equation for the Pico second to Nano seconds is is mathematically given as
1 pico second=0.001 Nano second
Theretofore
1351 picosecond=1.351 nano second
Since
1.351ns > 1.2 ns
Hence
1351 is the longer amount of time 1.2 ns
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