Physics-
General
Easy
Question
The value of is
The correct answer is:
Related Questions to study
Physics-
A force of 50 N acts on the block at the angle shown in the diagram. The block moves a horizontal distance of 3.0 m. Then the work done by this force
A force of 50 N acts on the block at the angle shown in the diagram. The block moves a horizontal distance of 3.0 m. Then the work done by this force
Physics-General
Physics-
A cannon after firing recoils due to
A cannon after firing recoils due to
Physics-General
Physics-
A jet engine works on the principle of
A jet engine works on the principle of
Physics-General
Physics-
Newton’s first law of motion describe the following
Newton’s first law of motion describe the following
Physics-General
Physics-
Wavelength of B.B.C. is 15 m, find the frequency of the waves broadcast by it if velocity of radio wave is 3 × 108 m s–1.
Wavelength of B.B.C. is 15 m, find the frequency of the waves broadcast by it if velocity of radio wave is 3 × 108 m s–1.
Physics-General
Physics-
The wavelength of sound in air is 100 cm. Its frequency is:
The wavelength of sound in air is 100 cm. Its frequency is:
Physics-General
Physics-
When the system is in equilibrium, the net force is
When the system is in equilibrium, the net force is
Physics-General
Physics-
A bullet is fired from a rifle. If rifle recoils freely, the K.E. of rifle is
A bullet is fired from a rifle. If rifle recoils freely, the K.E. of rifle is
Physics-General
Physics-
A body of mass m is moving in a straight line at a constant speed v. Its kinetic energy is K and the magnitude of its momentum is P. Which of the following relations is correct?
A body of mass m is moving in a straight line at a constant speed v. Its kinetic energy is K and the magnitude of its momentum is P. Which of the following relations is correct?
Physics-General
Physics-
The ratio of the angular speed of minutes hand and hour hand of a watch is
The ratio of the angular speed of minutes hand and hour hand of a watch is
Physics-General
Physics-
A 150 m long train is moving with a uniform velocity of 45 km/h. The time taken by the train to cross a bridge of length 850 meters is
A 150 m long train is moving with a uniform velocity of 45 km/h. The time taken by the train to cross a bridge of length 850 meters is
Physics-General
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
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
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
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
Maths-General
Maths-
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
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.
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
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
Maths-General