The correct answer to the question is : Transverse wave.
EXPLANATION :
Before going to answer this question, first we have to understand the longitudinal and transverse wave.
LONGITUDINAL WAVE : A longitudinal wave is a mechanical wave in which the direction of vibration of particles is parallel to the direction of wave propagation. It moves in the form of compression and rarefaction.
For instance, sound wave.
TRANSVERSE WAVE : A transverse wave is a mechanical wave in which the direction of vibration of particles is perpendicular to the direction of wave propagation. It moves in the form of crests and troughs.
For instance, the wave created in a pond when a stone is dropped into it.
Hence, the correct answer of this question is transverse wave.
Answer:
Explanation:
Velocity is defined as the rate of change of displacement.
velocity is a vector quantity, that means it requires both magnitude and direction to completely explain the velocity.
For example, the velocity is 5 ms due east, it means an object is moving with speed 5 ms in the direction of east. We can say that the object covers the displacement of 5 m in one second due east.
<em>The sound it emits comes from what is known as the ultrasonic range, a pitch that is so high humans can't hear it. Dogs can hear these sounds, however, as can cats and other animals. Because of this, the dog whistle is a favored training tool, though it may not be for every dog parent.</em>
2 is B. 3 is D. 4 is C. I think 5 is A. 6 is A. 7 is D. I think you are all correct. Good Luck!
Answer:
![D = 3.55 \times 10^6 m](https://tex.z-dn.net/?f=D%20%3D%203.55%20%5Ctimes%2010%5E6%20m)
Explanation:
Light rays coming from moon is blocked by the pencil
so as per figure we know that angle subtended by pencil and angle subtended by moon must be same
so we have
![Angle = \frac{Arc}{Radius}](https://tex.z-dn.net/?f=Angle%20%3D%20%5Cfrac%7BArc%7D%7BRadius%7D)
so we have
![\frac{D}{3.8 \times 10^8 m} = \frac{0.7 cm}{75 cm}](https://tex.z-dn.net/?f=%5Cfrac%7BD%7D%7B3.8%20%5Ctimes%2010%5E8%20m%7D%20%3D%20%5Cfrac%7B0.7%20cm%7D%7B75%20cm%7D)
so we have
![D = 3.55 \times 10^6 m](https://tex.z-dn.net/?f=D%20%3D%203.55%20%5Ctimes%2010%5E6%20m)