The total amount of light from a star-planet system drops when the planet goes behind the star
Indicate whether the statement is true or false
TRUE
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In the difference A - B - C, A is accurate to 5 decimal places, B is accurate to 2 decimal places, and C is accurate to 3 decimal places. What is the correct number of decimal places in the difference?
A) 2 B) 3 C) 4 D) 5 E) 0
State how to draw the three rays for finding the image position due to a thin lens
What will be an ideal response?
The circuit below contains three 100-watt light bulbs. The emf ? = 110 V. Which light bulb(s) is(are) the brightest?
A. A B. B C. C D. B and C E. All three are equally bright.
A person can see well close up, but cannot do so in the distance. To correct this, lenses that are _____ having a _____ refractive power could be used
a. thicker at their center than at the edges, positive b. thicker at their center than at the edges, negative c. thinner at their center than at the edges, negative d. thinner at their center than at the edges, positive