Related Questions

The surface of a certain planet reflects 80 percent of the light that strikes it. The clouds around the planet then absorb 40 percent of the reflected light. What percent of the light that strikes the planet is reflected from the surface and passes through the clouds without being absorbed?
A 32%
B 40%
C 48%
D 60%
পৃথিবী সূর্যের নিকটতম গ্রহ (The earth is the nearest planet of the sun.)
A ২য় (2nd)
B ৩য় (3rd)
C ৪র্থ (4th)
D ৫ম (5th)
A body has a weight W on the surface of Earth. What is its weight on a planet whose mass is 15 times that of Earth and a radius that is 4 times that of the earth?
A 15\/4 W
B 16\/9 W
C 16\/7 W
D 16\/15 W
Which is the brightest planet , as viewed from the planet Earth ?
A Moon
B Mercury
C Venu
D Jupiter
Light from the star, Alpha Centauri, which is nearest to the earth after the sun, reaches the earth in
A 4.2 seconds
B 42 seconds
C 4.2 years
D 42 years
The nearest star is so far away from the earth that the directions to it from two diametrically opposite points on the earth differs less than
A 0.01 second
B 0.001 second
C 0.0001 second
D None of these
পৃথিবী পৃষ্ঠে একটি ইটের ওজন 81 N. পৃথিবীর অর্ধেক বাসার্ধের সমান উচ্চতায় এবং অর্ধেক বাসার্ধের সমান গভীরতায় ইউটির উপরে পৃথিবীর অভিকর্ষ বলের মান কত হবে?(A brick weighs 81 N on the surface of the earth. What are the earth's gravitational forces act on it at a height of half of the radius of the earth and at a depth of half of the radius of earth, respectively?)
A 36 N and 81 N
B 36 N and 40.5 N
C 36 N and 20.25 N
D 98 and 40.5 N
E 81 N and 81 N
Which planet is nearest to the Sun ?
A Mercury
B Venus
C Jupiter
D Mars
Which is the nearest planet to the sun?
A Mercury
B Uranus
C Venus
D Jupiter
Which planet is nearest to the Sun?
A Mercury
B Venus
C Jupiter
D Mars

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