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Y_Kistochka [10]
3 years ago
8

which statement is a Hypothesis? A: Most of the earthworms moved to the shaded area during experiment. B: If an earthworm is giv

en a choice,its will move toward darkness rather than light. C: The earthworms must all be the species. D: Do earthworms prefer bright light or darkness.
Physics
1 answer:
True [87]3 years ago
3 0

Answer:

B

Explanation:

It's saying what you think

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Coherent light with wavelength 599 nm passes through two very narrow slits with separation of 20 μm, and the interference patter
goblinko [34]

Answer:

134.77 mm

Explanation:

Wave length of light λ = 599 x 10⁻⁹ m

Slit separation d = 20 x 10⁻⁶ m

Screen distance D = 3 m

Distance of second dark fringe from centre

= 1.5 x λ D / d  

Putting the  values given above

distance = \frac{1.5\times599\times10^{-9}\times 3}{20\times10^{-6}}

= 134.77 x 10⁻³ m

= 134.77 mm.

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Which of the following could be cause of a irregular systolic reading
Paul [167]
Maybe number 4 could help.
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The index of refraction of light varies from color to color. True or False?
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A series circuit contains a 9-volt battery, a 3-ohm resistor and a 2-ohm resistor. What is the voltage drop across the 2-ohm res
BARSIC [14]
Since everything in the circuit is in series .. .

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-- The voltage across the 3-ohm resistor is 3/5 of the total voltage.

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In which of these examples is the greatest movement occurring?
Elenna [48]

Answer:

not clear pic...but it's definitely not A)

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