Are there certain planets that each method cannot detect, even if the planets are very large? If so, why cannot they be detected?
What will be an ideal response?
Planets that do not have necessary orbital alignment cannot be detected.
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Spherical Mirrors: An upright object is 50 cm from a concave mirror of radius 60 cm. The character of the image is
A. real and upright. B. real and inverted. C. virtual and upright. D. virtual and inverted.
An individual sulfur atom has twice the weight of an individual oxygen atom. What is the weight ratio of sulfur and oxygen in the formation of sulfur dioxide?
A) 1 part sulfur to 2 parts oxygen B) 1 part sulfur to 1 part oxygen C) 2 parts sulfur to 1 part oxygen D) 1 part sulfur to 4 parts oxygen E) 4 parts sulfur to 1 part oxygen
You listen to a live orchestra concert from a cheap seat far away, high up in the balcony. The music seems to be a little out of sync with the conductor's beat. Why?
a. The musicians are paying no attention to the conductor. b. You are noticing a time lag due to the finite speed of sound. c. The orchestra is not very good. d. The viola section is dragging.
Deposition of sediment with each new layer younger than the layer below illustrates the principle of
A) original horizontality. B) superposition. C) nonconformity. D) horizontality and nonconformity.