Description : How does the sun's radiation is reflected back into space by the earth?
Last Answer : Need answer
Description : An Electromagnetic wave falls on to a boundary between two losses less homogeneous media with different refractive indices, a part of the wave is reflected back to the incident medium and the rest is transmitted ... A) Fresnel reflection (B) Fresnel refraction (C) Snell's law (D) None of these
Last Answer : Answer: Option A
Description : Japan is called the Land of the rising sun' because - (1) Sun rises there as soon as it sets (2) Sun always remains in the eastern part of the sky throughout the day in Japan (3) Japan being ... (4) The rays of the sun get reflected from the waters of the sea and make the sunrise beautiful in Japan
Last Answer : (3) Japan being the Eastern most country in the world, it has the earliest sunrise Explanation: Japan is an archipelago, or a group of islands, about 100 miles east of the Asian main land in the Far East. ... the others get the rays if the sun. That's why Japan is called the land of the rising sun.
Description : Japan is called the Land of the rising sun' because (1) Sun rises there as soon as it sets (2) Sun always remains in the eastern part of the sky throughout the day in Japan (3) Japan being ... 4) The rays of the sun get reflected from the waters of the sea and make the sunrise beautiful in Japan
Last Answer : Japan being the Eastern most country in the world, it has the earliest sunrise
Description : What is the name given to the term that defines the proportion of the incident solar radiation which is diffusely reflected from the atmosphere and surface of the planet back into outer space?
Last Answer : ANSWER: ALBEDO
Description : The mean distance between Earth and Sun
Last Answer : Ans. 1.5 x 10 8 km
Description : In the biosphere energy is received from A. The Sun B. The interior of the earth C. Both (A) and (B) D. Work
Last Answer : C. Both (A) and (B)
Description : Pick out the wrong statement (A) The concentric atmosphere layer just above troposphere is called stratosphere, which is rich in ozone (B) Mesosphere is characterised by very low atmospheric ... radio waves used in the long distance radio communication are reflected back to earth by stratosphere
Last Answer : (D) The radio waves used in the long distance radio communication are reflected back to earth by stratosphere
Description : One particular day, if the rain received 2.5 mm or more
Last Answer : Ans. Rainy day
Description : The top atmosphere of the Earth directly reflects back into space nearly what part of the total amount of sun’s energy coming to it? A. 10% B. 20% C. 30% (Answer) D. 50%
Last Answer : C. 30% (Answer)
Description : A sound wave that is reflected back toward the source is known as what type of sound?
Last Answer : Echo.
Description : What is the percentage of radiant energy reflected back by surface called?
Last Answer : Albedo
Description : Out of 100 kcal/second of incident radiant energy on the surface of a thermally transparent body, 300 kcal/second is reflected back. If the transmissivity of the body is 0.25, the emissivity of the surface will be (A) 0.35 (B) 0.45 (C) 0.55 (D) 0.85
Last Answer : (B) 0.45
Description : At what frequency compared to the cutoff frequency of a waveguide will the wavefronts be reflected back and forth across the guide (setting up standing waves) and no energy
Last Answer : UHF receiving antenna
Description : 1. Which vitamin is necessary for blood clotting? 2. Which can be abolished but not dissolved? 3. What does Talc contains? 4. What is the percentage of radiant energy reflected back by ... which countries? 20. The extent of the Delhi Sultanate empire was the greatest during which reign?
Last Answer : Answer : 1. Vitamin K 2. State Legislative Council 3. Magnesium, silicon and oxygen 4. Albedo 5. Nalanda 6. Vijay Kelkar 7. 1 percent 8. Lemurs 9. Mild rainfall 10. Mahayana sect 11. From ... 16. National income 17. Liver 18. Both Houses of Parliament 19. Sumatra and Malaysia 20. Alauddin Khilji
Description : Ramesh is a student of standard X. He organized many activities in his school to convey the students about the various advantages and disadvantages of using renewable and non-renewable sources of energy. Many ... of energy. (in) Which two values are reflected in Ramesh's thought and action? -Science
Last Answer : (i) Activities that Ramesh have had assigned for the students are: (a) Hands on projects related to renewable and non-renewable sources of energy. (b) Photograph exhibitions on the topic ... of renewable source of energy. Ramesh’s action: Concern for community advantage and good management.
Description : The earth contains a thin region known as the biosphere, in which life exists. The three parts of the biosphere are
Last Answer : Ans. Atmosphere, hydrosphere and lithosphere
Description : Large portions of the earth with similar climate, soil, plant and animal life community is known as
Last Answer : Ans. Biosphere
Description : Gaseous envelop surrounding the earth known as
Last Answer : Ans. Atmosphere
Description : A protective plantation in a certain area, against strong winds. It is usually comprised of a few rows of trees (or shrubs)
Last Answer : Ans. Wind breaks
Description : The process by which an innovation is communicated through certain channels overtime among the members of a social system
Last Answer : Ans. Diffusion
Description : The ultimate source of energy on the earth is
Last Answer : Ans. The sun
Description : A belt of trees and or shrubs maintained for the purpose of shelter from wind, sun, snow drift, etc.
Last Answer : Ans. Shelterbelts
Description : The radiations emitted by the sun and responsible for the cause of skin cancer
Last Answer : Ans. Ultra-violet
Description : Temperature on the sun is around
Last Answer : Ans. 6000°C
Description : Which part of the chromosome is known as primary constriction?
Last Answer : Ans. Centromere
Description : What certain alignments of Earth the Moon and the Sun cause?
Last Answer : It can cause lunar eclipses, and solar eclipses.
Description : The normal planting space of banana
Last Answer : Ans. 1.8-2m × 1.8-2m
Description : The normal planting space of citrus
Last Answer : Ans. 5-6m × 5-6m
Description : The normal planting space is
Last Answer : Ans. 6m × 6m
Description : Planting space of papaya
Last Answer : Ans. 2m×2m
Description : The normal planting space of guava
Last Answer : Ans. 10m × 10m
Description : The normal planting space of mango
Description : The maximum pore space are found in
Last Answer : Ans. Clay soil
Description : The signal path from satellite to earth-based receiver. A. Downlink signal B. Uplink signal C. Incident signal D. Reflected signal
Last Answer : A. Downlink signal
Description : The signal path from earth station satellite A. Uplink signal B. Reflected signal C. Incident signal D. Downlink signal
Last Answer : A. Uplink signal
Description : When you hold a mirror in front of another mirror, do the repeated images that are reflected back go on forever?
Last Answer : Ha! You’ve received more Great Questions than answers! That’s funny! GQ, by the way To be honest, I’ve wondered this some time in my life. I don’t think I have an answer, but great question! (: I want to try this now!
Description : The layer of the atmosphere in which Radio Waves are reflected back is called- (1) Ionosphere (2) Troposphere (3) Stratosphere (4) Exosphere
Last Answer : (1) Ionosphere Explanation: The Radio waves are reflected back to Earth in the Ionosphere which is an electrically charged layer of the upper atmosphere. This process is used to communicate beyond the horizon, atintercontinental distances, mostly in the shortwave frequency bands.
Description : Wireless communication is reflected back to the earth’s surface by the which zone?
Last Answer : Ionsphere
Description : Radio waves are reflected back from which layer of the Earth's atmosphere?
Last Answer : Ionosphere
Description : When a wave strikes a vertical breakwater in deep water, it is reflected back and on meeting another advancing wave of similar amplitude merges and rises vertically in a wall of water. This phenomenon is called (A) Surf (B) Clapotis (C) Fetch (D) Swell
Last Answer : (B) Clapotis
Description : In fiber-to-fiber connections, Fresnel reflection is one source of coupling losses. Light is reflected back into the source fiber and is lost. What causes Fresnel reflection?
Last Answer : A step change in refractive index that occurs at fiber joints, caused by fiber separation.
Description : What condition causes a light ray to be totally reflected back into its medium of propagation?
Last Answer : Total internal reflection occurs when the angle of refraction approaches 90 degrees. This condition occurs when the angle of incidence increases to the point where no refraction is possible.
Description : An incident ray comes in parallel to the principle axis of a concave mirror. Is it reflected: w) back along the incident ray x) at 30 degrees to incident ray y) through the focal point z) through the center of curvature
Last Answer : ANSWER: Y -- THROUGH THE FOCAL POINT
Description : The layer of the atmosphere in which Radio Waves are reflected back is called ; (1) Ionosphere (2) Troposphere (3) Stratosphere(4) Exosphere
Description : If the sun causes light on earth, why is there no light in space?
Last Answer : There is, it's just not reflecting off of anything.
Description : How black hole has a vast attractive force? What is its density in comparison with Earth and Sun? -Space
Last Answer : There are two things that affect the escape velocity - the mass of object and the distance to the center of that object. For example, a rocket must accelerate to 11.2 km/s in order to escape Earth's gravity ... the mass of our sun would need to be squeezed into a volume with a radius of about 3 km.
Description : The most abundant biomolecules on earth
Last Answer : Ans. Carbohydrates
Description : The most dominant mineral on earth crust
Last Answer : Ans. Feldspar (48%)