- Denmark
- Germany
- France
- Spain
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Assertion (A): A p-n junction has high resistance in reverse direction.Reason (R): When a reverse bias is applied to p-n junction, the width of depletion layer increases.?
Answer: Option 1 Let'
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Directions : Each of the following question consists of a statement followed by two arguments I and II. You have to decide which of the arguments is a STRONG arguments and which is a WEAK Argument. Statement : Should the railways in India be privatized in a phased manner like other public sector enterprises Arguments : I. Yes. This is the only way to bring in competitiveness and provide better services to the public. II. No. This will pose a threat to the national security of our country as multinationals will enter into the fray.?
Answer: Option 4 Privatization would no doubt lead to better services. But saying that this is the 'only way' is wrong. So, argument I does not hold. Argument II also...
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Which of the following chemical materials is responsible for the depletion of ozone layer in the atmosphere ?
Answer: Option 3 Chlorofluorocarbon is responsible for the depletion of ozone layer in the atmosphere.
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Which of the following chemicals is responsible for depletion of ozone layer in the atmosphere?
Answer: Option 1 Chlorofluorocarbons is responsible for depletion of ozone layer in the atmosphere.
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Major cause of Ozone depletion is due to which chemical?
Answer: Option 1 Chlorofluorocarbons (CFCs) and other halogenated ozone depleting substances (ODS) are mainly responsible for man-made chemical ozone depletion. The total amount of effective halogens (chlorine and bromine) in...
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Which of the following refrigerant has the maximum ozone depletion potential in the stratosphere?
Answer: Option 4 Fluorine has the maximum ozone depletion potential in the stratosphere
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Under the depletion allowance method in computing depreciation, the depletion charge is equal to either ______ whichever is smaller.?
Answer: Option 2 Let'
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Very small amount of air pollutants are present in stratosphere also; though most of the atmospheric pollutants are present in the troposphere. Which of the following atmospheric pollutants does not cause the ozone layer depletion in atmosphere at tremendous rate?
Answer: Option 1 Let'
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Which of the following is/are correct in matching the layer of atmosphere and its characteristic I. Troposphere : weather phenomena II. Stratosphere : ozone layer III. Ionosphere : radio waves reflected to earth's surface IV. Mesosphere : Aurorae?
Answer: Option 4 The following that are correct in matching the layer of atmosphere and its characteristic are Troposphere : weather phenomena, Stratosphere : ozone layer and Ionosphere : radio...
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Which of the following are true regarding ionosphere I. It is the uppermost layer of atmosphere II. The molecules and atoms of nitrogen and oxygen in this layer absorb a part of solar radiation and become ionized III. This layer is responsible for reflecting back the radio wave transmitted from the earth?
Answer: Option 3 The following that are true regarding ionosphere are The molecules and atoms of nitrogen and oxygen in this layer absorb a part of solar radiation and become...
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