Description : A barometer is kept inside a bell jar. Air is slowly pumped out of the jar. (1) The mercury level starts rising (2) The mercury level starts falling (3) The mercury level does not change (4) The bell jar breaks up
Last Answer : (1) The mercury level starts rising Explanation: As the pump removes the air from the bell jar the pressure obviously reduces around the barometer. The reduction in pressure around the barometer leads it to expand. As the pump removes air from the jar, the mercury level rises.
Description : Rising level of mercury in Barometer in- dicates?
Last Answer : Calm climate
Description : The ringing of an electric bell in an enclosed evacuated glass bell jar is not heard outside because - (1) the ringing is not loud enough (2) the glass of the bell jar absorbs the sound waves (3) the bell jar is too small (4) there is no air or any other gas in the bell jar
Last Answer : (4) there is no air or any other gas in the bell jar
Description : What happens to the level of mercury in the barometer tube when it is taken down a coal mine?
Last Answer : – It rises
Description : Name the scientist, who first pointed out that plants purify foul air by bell jar experiment .
Last Answer : Joseph priestly
Description : What does the rise of mercury in a barometer indicate?
Last Answer : – Fair weather
Description : What happens to the level of mercury in the barometer tube when it is taken down a coal mine? -Do You Know?
Last Answer : The temperature will increase as one moves down the Earth's crust. and since there is almost very less wind so the warm will be not able to distribute the temp. and moderate it. Hence the Mercury will rise in the barometer tube.
Description : In a barometer, mercury is preferred over water because (a) mercury is a good conductor of heat (b) mercury is shining and therefore its level can be read easily (c) mercury is available in pure form (d) mercury has high density and low vapour pressure
Last Answer : Ans:(d)
Description : Sudden fall of mercury level in Barometer indicates?
Last Answer : Storm
Last Answer : It rises
Description : 1. Which tissue is responsible for the secondary growth? 2. By whom the salary and perquisites of the Prime Minister of India are decided? 3. What happens to the level of mercury in the ... river basin is called Ruhr of India'? 20. During which ruler were Upanishads translated into Persian?
Last Answer : Answer : 1. Cambium 2. Parliament 3. It rises 4. India and China 5. Krishna Deva Raya 6. Generation 7. Dehradun 8. Collenchyma 9. Konkan coast 10. Iltutmish 11. The Ministry is dissolved 12. ... 14. Tapti 15. Aurangzeb 16. Jagdish Bhagwati 17. Hypothalmus 18. The President 19. Damodar 20. Shah Jahan
Description : If a meterologist says that air pressure is getting lower what would you expect to see happen to torriclli's mercury barometer?
Last Answer : Feel Free to Answer
Description : If Roberts PLC finds that the average total cost of its radar detectors and the marginal cost of its radar detectors are both £85, then: A)its marginal costs are falling. B)average total cost is at ... average total costs are rising. D)demand is elastic. E)average total cost is at its lowest level.
Last Answer : E)average total cost is at its lowest level.
Description : What is bad about a bell jar model?
Last Answer : Need answer
Description : Why would someones white blood cell count be up...cancer/leukemia & lupus has been ruled out. White blood cell count seems to be rising slowly.
Last Answer : http://www.mayoclinic.com/health/high-white-blood-cell-count/AN00372
Description : What type of data is the number of liters of gasoline pumped by a falling station during a day?
Last Answer : What is the answer ?
Description : When a megohmmeter is being used to test insulation resistance, current leakage along the surface of the insulation is indicated by the megohmmeter pointer _____________. A. fluctuating around a ... slightly downscale as voltage is applied D. continually rising as the test voltage is applied
Last Answer : Answer: C
Description : When a megohmmeter is being used to test insulation resistance, current leakage along the surface of the insulation is indicated by the megohmmeter's pointer _____________. A. dipping toward ... kicking slightly down scale as voltage is applied D. fluctuating around a constant resistance reading
Description : A falling barometer often means rainy weather because water vapor is (lighter or heavier) than oxygen or nitrogen.
Last Answer : ANSWER: LIGHTER
Description : What does the rise of mercury in a barometer indicate? -Do You Know?
Last Answer : answer:
Description : Does the height of the mercury column of barometer increase gradually ?
Last Answer : Answer : As the height of the mercury column of the barometer gradually decreases, the water vapor increases.
Description : If to torricelli had drilled a little hole at the top of the glass tube holding his mercury column what would have happened to his barometer?
Last Answer : He would not have had a barometer. He would have had a glass tube stuck into a bowl of Mercury, with nothing in it. Because once the hole was made the vacuum would be gone and the Mercury would fall back down to the bowl.It takes the vacuum in the tube to create a barometer.
Description : Which liquid is used in an aneroid barometer? A. Mercury B. Alcohol C. Water D. None (Answer)
Last Answer : D. None (Answer)
Description : If mercury in a barometer is replaced by water, the height of 3.75 cm of mercury will be following cm of water (A) 51 cm (B) 50 cm (C) 52 cm (D) 52.2 cm
Last Answer : Answer: Option A
Description : Mercury is often used in barometer because (A) It is the best liquid (B) The height of barometer will be less (C) Its vapour pressure is so low that it may be neglected (D) Both (B) and (C)
Last Answer : Answer: Option D
Description : An aluminium strip is kept immersed in a freshly prepared ferrous sulphate solution taken in a test tube, the change observed is that a) Green solution slowly turns brown b) Lower end of the test ... c)A colourless gas with smell of burning sulphur is evolved c)Light green solution changes to blue
Last Answer : a) Green solution slowly turns brown
Description : Imagine that a 20 mile diameter hole is bored along the diameter of the Earth extending from the North Pole to the South Pole, that all air and gases are pumped out of this hole, and that the temperature ... between the loci of the hole with the opposite surfaces of the Earth. z) none of the above.
Last Answer : ANSWER: Y -- FOREVER OSCILLATE IN SIMPLE HARMONIC MOTION ALONG THE OLE
Description : An animal kept in a jar has the following features. (I) It is bilaterally symmetrical. (II) It has coelomic cavity (Ill) The body is segmented (IV) It has jointed appendages. To which phylum does the animal belong to? (1) Arthropoda (2) Annelida (3) Platyhelminthes (4) Mollusca
Last Answer : I) It is bilaterally symmetrical.
Description : ______ is microorganism that can be crystallized and kept in jar for many days. a) bacteria b)fungi c)virus d)protozoa
Last Answer : c)virus
Description : What are the falling and rising action of summer solstice?
Description : When the total product rises at an increasing rate, the - (1) marginal product is zero (2) marginal product is rising (3) marginal product is falling (4) marginal product remains constant
Last Answer : (2) marginal product is rising Explanation: Marginal product of an input (factor of production) is the extra output that can be produced by using one more unit of the input (for instance ... from total product. The other is average product. Marginal product is directly proportional to total product.
Description : A favorable Balance of Trade of a country implies that - (1) Imports are greater than Exports (2) Exports are greater than Imports (3) Both Imports and Exports are equal (4) Rising Imports and Falling Exports
Last Answer : (2) Exports are greater than Imports Explanation: Favorable balance of trade is an imbalance in a nation's balance of trade in which the payments for merchandise exports received by the country exceed ... and income. A balance of trade surplus is often the source of a balance of payments surplus.
Description : When average cost production (AC) falls, marginal cost of production must be - (1) rising (2) Falling (3) Greater than the average cost (4) Less than the average cost
Last Answer : (4) Less than the average cost Explanation: Average cost is the total cost per unit of output. Marginal cost, on the other hand, is the addition to the total cost by producing one more ... where marginal cost is higher than average cost, and average cost is an increasing function of output.
Description : The demand curve for a Giffen good is (1) upward rising (2) downward falling (3) parallel to the quantity axis (4) parallel to the price axis
Last Answer : (1) upward rising Explanation: A Giffen good is a good whose consumption in-creases as its price increases. (For a normal good, as the price increases, consumption decreases.) Thus, the ... a price changes the income effect outweighs the substitution effect and this leads to perverse demand curve.
Description : The main factor for the accelerated growth of population in India is– (1) Low birth rate and low death rate (2) A high birth rate and a falling death rate (3) A rising birth rate and a rising death rate (4) A high birth rate and a high death rate
Last Answer : (2) A high birth rate and a falling death rate Explanation: Owing to improvement in health care and advance-ment of technology the death rate has been declined over the years.
Description : Certain characteristic demographic features of developing countries are (a) high fertility, low or rapidly falling mortality rate, rapid population growth and a very young age distribution (b) high ... (d) high mortality, high density, uneven population growth and a very old age distribution.
Last Answer : (a) high fertility, low or rapidly falling mortality rate, rapid population growth and a very young age distribution
Description : When you hold your breath, which of the following gas changes in blood would first lead to the urge to breathe? (a) Falling CO2 concentration (b) Rising CO2 and falling O2 concentration (c) Falling O2 concentration (d) Rising CO2 concentration
Last Answer : (d) Rising CO2 concentration
Description : Rising gradient followed by a falling gradient is known as a) Rulling gradient b) Momentum gradient* c) Pusher graient d) Aangular gradient
Last Answer : b) Momentum gradient
Description : A market share pricing objective A)is not recommended when sales for the total industry are declining. B)is not especially useful when sales for the total industry are increasing. C)is not ... industry are flat. D)can be used effectively whether total industry sales are rising or falling.
Last Answer : D)can be used effectively whether total industry sales are rising or falling.
Description : During the downturn portion of a business cycle, the economy is characterized by (a) rising unemployment and rising investment (b) falling unemployment and falling output (c) rising profits and falling wages (d) falling output and rising unemployment
Last Answer : (d) falling output and rising unemployment
Description : In the short run, diminishing marginal returns is implied by (a) Rising MC ; (b) Falling MC ; (c) Rising AVC ; (d) Constant TC
Last Answer : (a) Rising MC ;
Description : Equilibrium relates to which of these (a) Market condition which oscillate ; (b) Market state of falling price; (c) Market condition of rising price ; (d) Market conditions which once achieved tends to persist
Last Answer : (d) Market conditions which once achieved tends to persist
Description : A favourable Balance of Trade of a country implies that (1) Imports are greater than Exports (2) Exports are greater than Imports (3) Both Imports and Exports are equal (4) Rising Imports and Falling Exports
Last Answer : Exports are greater than Imports
Description : When average cost production (AC) falls, marginal cost of production must be. (1) rising (2) Falling (3) Greater than the average cost (4) Less than the average cost
Last Answer : Less than the average cost
Description : When the total product rises at an increasing rate, the (1) marginal product is zero (2) marginal product is rising (3) marginal product is falling (4) marginal product remains constant
Last Answer : marginal product is rising
Last Answer : upward rising
Description : The instrument that measures and records the relative humidity of air is – (1) Hydrometer (2) Hygrometer (3) Lactometer (4) Barometer
Last Answer : (2) Hygrometer Explanation: A hygrometer is an instrument used for measuring the moisture content in the environment. Humidity measurement instruments usually rely on measurements of some other ... By calibration and calculation, these measured quantities can lead to a measurement of humidity.
Description : The instrument that measures and records the relative humidity of air is (1) Hydrometer (2) Hygrometer (3) Lactometer (4) Barometer
Last Answer : Hygrometer
Description : Which of the following vessel in rabbit starts with capillaries and ends in capillaries Which one of the following vein breaks up into capillaries
Last Answer : Which of the following vessel in rabbit starts with capillaries and ends in capillaries Which one of ... vein C. Hepatic portal vein D. Renal artery