Physics-
General
Easy
Question
When the system is in equilibrium, the net force is
- Positive
- Negative
- Zero
- No value
The correct answer is: Zero
W = mgh
For equilibrium net external force is zero
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A bullet is fired from a rifle. If rifle recoils freely, the K.E. of rifle is
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Maths-
Statement-1: A and B are two weak students in Mathematics and their chances of solving a problem correctly are 1/8 and 1/12 respectively. They are given a question and they obtain the same answer. If the probability of a common mistake is then the probability that the answer was correct is
Statement-2: If and are two mutually exclusive and exhaustive events with non-zero probability of a random experiment and E is any other event of the same experiment then
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Statement-2: If and are two mutually exclusive and exhaustive events with non-zero probability of a random experiment and E is any other event of the same experiment then
Maths-General
Maths-
The probability of the simultaneous occurrence of two events A and B is p. If the probability that exactly one of A,B occurs is q, then
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Maths-General
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A gas in an open container is heated from 27°C to 127°C. The fraction of the original amount of gas remaining in the container will b
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A gas in an open container is heated from 27°C to 127°C. The fraction of the original amount of gas remaining in the container will b
Maths-General
For such questions, we should know idea gas equation. We have to be careful about constant and variable values. And we always have to convert the temperature into Kelvin. To convert the temperature in °C into Kelvin, we add 273 to it.
Maths-
If the sum of the ordinate and the abscissa of a point is (where are natural numbers) then the probability that does not line on the line is
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Maths-General
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1 mole of N2O4 (g) at 300 K is kept in dosed container under 1 atm. It is heated to 600K when 20% mass of N2O4(g) decomposes to NO2(g). The resultant pressure is
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If the minimum value of the expression can be expressed in the form where a, b N and are in their lowest term then the value of (a + b) equals
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Maths-General
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L1 :
L2 :
Find equation of the plane P containing the line L2 and parallel to the line L1, is
Maths-General
Maths-
let l ,m,n be the D.Cs of a vector and a,b,c are three numbers such that a,b,c are proprotionals to l,m,n i.e, are direction rations
be a vector having drs the angle between two lines whose DCs are is
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be a vector having drs the angle between two lines whose DCs are is
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Maths-
equals to
equals to
Maths-General
Maths-
If A = , then det (adj. (adj. A)) is
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Maths-General
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Let S be a set containing n elements. Then the total number of binary operations on S is
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Maths-General