<span>The image produced is real and enlarged.
Check for various positions of objects and Images for convex lens.
Note at position of 2F, the image is same as the object, and once it is between 2F and F, the image becomes bigger than the object. </span>
C)Visible Light-the hint:Visible light.
Answer:
Shown from explanation.
Explanation:
The resonant frequency is related by the formula;
Fo= 1/2π√(K/M)
Where Fo is resonant frequency
M is mass
K is the spring constant
From the expression above;
When K is increased frequency would increases since frequency is directly proportional to spring constant.
Similarly when the mass is increased the frequency decreases since frequency is inversely proportional to the mass.
Amplitude is a property of a wave and so the frequency stays same.
Answer:
40251.7 N
Explanation:
Stress is given as Force per unit Area and expressed as 
where F is the force exerted and A is the area on which the force acts. Making F the subject of the formula then 
Area, 
where r is radius which is equivalent to half the diameter. In this case, the diameter is given as 50 mm hence radius will be 25 mm and converted to meters it is 0.025 m
Substituting 20.5 MPa which is 
for 
then the force will be 
