Answer:
A. Their shape
Explanation:
The name clearly shows that the shape of these canals are semi-circular. The semi-circular canals consist of three tubes filled with fluid and located in the inner ear. They help to maintain balance and transmit impulses through the movement of the fluids. The impulses sent through these fluids are sent to the brain for interpretation.
The function of the canals are not indicated by the name, rather the shape is hinted through the name.
Answer:
C) It reacts explosively with oxygen.
Explanation:
Physical properties are usually those that can be observed using our senses such as color, luster, freezing point, boiling point, melting point, density, hardness and odor.
What are the Chemical Properties of Hydrogen? They are the characteristics that determine how it will react with other substances or change from one substance to another.
Answer:
All of the statements are correct
Explanation:
Hello!
All of the statements are rigth. You can know this by examining the Lorentz Force:
a )
The dependence on the charge sign can be inferrend by the term q which is the particle's charge. If it changes sign, the force also does.
b)
Although we usually deal with constant magntic Fields, they could also be position dependent, for example the magnetic field of a wire. The fild of teh force will also inherit this position dependence, that is:
c)
d)
Again, from the equation of the force or Lorentz force, we can see that this statement is true.
d)
The validity of this statement is given by the cross product between the velocity (which points twoards the direction of motion of the particle) and the magnetic field
Answer:
A) It will move at a different speed (i.e slower)
B) A vacuum
Explanation:
For A), Light moves at a different speed as it starts to interact more with the particles in said medium (in this case, water) than the earlier medium.
For B), Light propagates using its own particle, i.e the photon whereas sound is more of a transmission of energy from the particles it originates from. In a vacuum, there are no particles to transfer energy to, that is why light can travel in a vacuum and sound cannot
