Two or more waves combining to produce a wave with a smaller displacement is called _____. A. constructive diffraction
B. constructive interference
C. destructive interference
D. destructive diffraction
Answers
Two or more waves combining to produce a wave with a smaller displacement is called destructive interference .
What is the definition of destructive interference?
Destructive interference happens when the maxima of two waves are 180° out of phase a positive displacement of one wave is canceled exactly by a negative displacement of the other wave.
The formula for brighter patches resulting from constructive interference and darker patches resulting from destructive interference in a diffraction grating is:
Two or more waves combining to produce a wave with a smaller displacement is called destructive interference .
Hence, option C is correct.
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destructive interference occurs when two or more waves combine to make a wave with a smaller amplitude C is your answer my friend :)
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Nuclear Fission only happens in the nuclear reactors of nuclear power plants.A TrueB False
Suppose the initial kinetic energy and final potential energy in an experiment are both zero. What can you conclude? A. The final kinetic energy is zero. B. The initial potential energy is zero. C. The final kinetic energy is equal to the initial potential energy. D. The sum of the initial and final kinetic energies is zero.
The equator has the most gravitational pull.
Gravity pulls all sides equally forming a ball
The spinning motion makes them spherical
When planets were formed the began as a ball shape
Answers
Answer:
B
Explanation:
The planet is formed by gravity pulling from every side equally, which makes the planet spherical.
B To attract mates
C To orient them selves and find food
D To tell animals of there species where they are
Answers
How is this different from a distance-time graph?
Answers
Answer:
its devavtion is different from the distance changes process
Explanation:
Final answer:
A speed-time graph and a distance-time graph represent different aspects of motion. A horizontal line on the former indicates a constant speed (zero acceleration), while a straight, upward-diagonal line on the latter shows constant speed. A flat horizontal line on a distance-time graph shows no movement.
Explanation:
A speed-time graph and a distance-time graph each depict different aspects of motion. A horizontal line on a speed-time graph does indeed indicate constant speed or zero acceleration; the object is moving at a constant speed. However, a distance-time graph shows how the position of the object changes over time.
Let's take an example. If a car is traveling at a constant speed, on a speed-time graph, this would be represented by a horizontal line. The height of the line above the time axis represents the constant speed.
On a distance-time graph, a car moving at constant speed will be represented by a straight line with a positive slope. This is because the position of the car is continuously changing (it's covering distance), and at a constant rate. The slope of the distance-time graph gives us the speed of the car.
So, while a flat horizontal line in a speed-time graph indicates constant speed, a flat horizontal line in a distance-time graph would indicate no change in position, i.e., the object is not moving at all.
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2. In which condition distance and displacement are equal?
3. Is acceleration scalar or vector?
4. What is the difference between mass and weight?
5. What is the difference between 'G' and 'g'?
6. Why can't you feel an attraction force between you and your friend?
7. Uniform circular motion is accelerated motion Why?
8. What is the weight of a person in the surface of moon?
9. A ship is moving at a speed of 56km/h. one second later, it is moving at 58km/h. What is its
acceleration?
10. What is the area under velocity-time graph gives?
11. Explain the use of seat belt in car.
12. Why the school bags have wide strap?
13. Camel can easily walk through the desert. Why?
14. Draw the following displacement-time graphs represent cases
a. Stationary object
b. Uniform motion
c. No uniform motion
15. Draw the following speed-time graphs represent cases
a constant speed
b. speed decreasing uniformly
c. speed increasing uniformly
Answers
Answer:
1) v = u + at
s = ut + 1/2 at²
v² = u² + 2as
2) The distance is equal to the displacement when their magnitude is the same.
3) Acceleration is a vector quantity
4) Mass is the quantity of matter present in a body. Its SI unit is Kg. The weight is the action of gravitational force on the body. Its SI unit is newton.
5) G - Universal gravitational constant (6.673 x 10⁻¹¹ Nm²Kg⁻²
g - acceleration due to gravity (9.8 m/s²)
6) It is because the magnitude of the attractive force between two people is negligible when compared with the gravitational force of Earth.
7) In a uniform circular motion, the body is continuously changing its direction. If there is a change in the direction there is an act of force acting on the body. It will in accelerated motion.
8) Due to the lesser gravitational force of the moon, the weight of the person on the moon is very low compared with the weight of the person on Earth. On the surface of the moon, the person will experience only 16.5% of his weight on the Earth.
9) The rate of change of velocity by time gives acceleration. Therefore the acceleration of the ship is when the velocity is converted to m/s
a = (16.11 - 15.56)/1
a = 0.55 m/s²
10) The area is equal to the displacement
11) The seat belt stops the movement of a body where newton's first law is applicable.
12) The pressure acting on a body is inversely proportional to the surface area. So, when the surface area is the increased impact of pressure on the shoulders can be minimized. So, the schoolbags have wider straps.
13) The camels have broader toe compared to the toe of the horse. So, it can walk easily through the sands.
Answers
all of these ;) HOPE IT HELPS
Answers
Answer
Metals
Explanation
Conductors are materials that allow current to flow through them. ost of these conductors are metals. the best conductors are, copper, silver, and gold. Others such as aluminium, zinc among others come after the three mentioned.
Materials such as wood and plastic are called insulators and they can not conduct current.
With this in mind we can conclude that the most common objects we can use to light the bulb are metals.