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Topic :: Energy
How much time does energy require to travel 90 million miles from the Sun to the earth? (a) 9-1/3 minutes (b) 9-1/2 minutes (c) 9-1/4 minutes
1 3523Sun?s total energy output intercepted by the earth is: (a) one/two billionth (b) one/three billionth (c) one/three millionth
1 3889The sun obtains its energy from: (a) the nuclear fission of uranium (b) nuclear reactions in which hydrogen in converted into helium (c) nuclear reactions in which helium in converted into hydrogen (d) the burning of hydrogen and carbon
1 4035The energy emitted by the Sun is due to (a) Chemical reaction (b) Nuclear fission (c) Nuclear fusion (d) All the above
2 10492What is the element required for solar energy conversion? (a) Beryllium (b) Tantalum (c) Silicon (d) Ultra pure carbon
2 10906The Atomic Energy Commission was set up in: (a) August, 1948 (b) October, 1948 (c) January, 1948 (d) May, 1949
1 409660 percent of commercial energy in India comes from: (a) Coal (b) Wind (c) Hydel (d) Nuclear projects
ISRO,
4 11212For getting instant energy, an athlete should take: (A) Carbohydrates (B) Proteins (C) Vitamins (D) Chewing-gum
4 21402The principle of Conservation of Energy refers to the fact that: (A) it is essential not to waste natural gas and oil for these are limited in supply (B) solar heating makes use of the Sun?s energy, which would otherwise have been wasted (C) energy can neither be created nor be destroyed (D) nuclear power plants recycle spent fuel
1 7132Pathway of energy in an ecosystem is: (A) cyclinc (B) unidirectional (C) web-like (D) sometimes cyclinc and sometimes unidirectional
2 5340The energy for the contraction of muscles is derived by the combustion of (A) Proteins (B) Carbohydrates (C) Fats (D) Minerals
1 3506The energy produced in the Sun is due to: (A) nuclear fission (B) nuclear fusion (C) oxidation reactions (D) reduction reactions
2 6302LED is a semiconductor device that coverts _______ energy into _____ energy. (1) Chemical; electrical (2) Electrical; light (3) Light; electrical (4) Hat; light
3 5730The mean kinetic energy of a gas atom at absolute temperature T is (1) kT/2 (2) 3kT/4 (3) KT (4) 3kT/2
1 4732The primary source of energy in an ecosystem is (1) glucose (2) fructose (3) lipids (4) sunlight
2 5996
What are the differences between entropy, free energy, and enthalpy?
What is the structure of chlorophyll and the energy transfer mechanism?
How are free energy changes related to LeChatelier's Principle?
How is the actual free energy change for a process related to the standard free energy change?
How are free energy changes related to enthalpy changes and entropy changes?
How are reaction rates dependent upon free energy changes?
How are free energy, equilibrium and spontaneity related to each other?
Hi guys! Plz help me to answer the following questions. 1. What are the types of transmission line energy losses? 2. Why are the VLF are used some types of services? 3. What frequencies are used for reliable beyond the horizon terrestrial communication without repeaters? 4. To permit selection of 1 out 16 equi-probable, what is the number of bitis required? 5. What is the most common modulation used for telegraphy? 6. What is the multiplexing is used to increase the capacity of the optic fiber? Thanks
can we calculate the voltage level for microwave energy which is using for our mobile communication?
Is it possible to calculate a voltage for microwave energy generating in oven? Is there any formula relating frequency and voltage and it should be independent of speed?
how the works electronic energy meter?
HOW DOES THE ELECTRONIC ENERGY METER WORKS?
explain supply side and demand side energy management with advantages & disadvantages
in case of broad band connector, where the data is being transferred thorugh OFC, during this course a light enery is created for carrying data, whether this light energy is created by broad band connect or it is created by virute of functions of the subscriber or not?
in the caase of transmission of data of OFC, the data will be carried by light energy, how the light energy is created? whether it s created by broad band connector or subscriber itself?
