A larger amplitude means a smaller sound and a smaller amplitude means a larger sound.
Answer: Option (A) is the correct answer.
Explanation:
Laser helps in zooming an image on which it is directed or falls so that it becomes easier for a large population to understand what the teacher or guide is talking about.
For example, when Greg is giving slide show presentation to a large audience then in order to make his slides visualized by everyone in the room he uses laser.
Therefore, we can conclude that a laser best help him with the presentation as he can use the laser to enlarge images on the slides.
Answer:
Explanation:
From the given information:
The elastic potential energy can be calculated by using the formula:
Making K the subject;
k = 2.3 × 10⁻² N/m
Now; the frequency of the small oscillation can be determined by using the formula:
where;
m = mass of each atom = 1.66 × 10⁻²⁶ kg
OPTION D is the correct answer.
Refer to the attachment for complete calculation...
Answer:
CaCl2 is a reactant
Explanation:
Calcium carbonate (CaCO3) is a reagent, it is found on the left side, what is found on the right side are the products.
