Physics-
General
Easy
Question
The length of a rod is (11.05 ± 0.05) cm. What is the length of two such rods -
- (22.1 ± 0.05) cm
- (22.10 ± 0.05) cm
- (22.1 ± 0.05) cm
- (22.10 ± 0.10 cm)
The correct answer is: (22.10 ± 0.10 cm)
Related Questions to study
Physics-
the wrong statement -
the wrong statement -
Physics-General
Physics-
Which of the following is not the unit of surface tension -
Which of the following is not the unit of surface tension -
Physics-General
Physics-
The error in the measurement of volume of sphere is 1.5 %. The error in the measurement of its diameter is -
The error in the measurement of volume of sphere is 1.5 %. The error in the measurement of its diameter is -
Physics-General
Physics-
The area of a rectangle of size 1.23 × 2.345 cm is -
The area of a rectangle of size 1.23 × 2.345 cm is -
Physics-General
Physics-
If represents the coefficient of viscosity and T the surface tension, then the dimensions of T/ are same as that of -
If represents the coefficient of viscosity and T the surface tension, then the dimensions of T/ are same as that of -
Physics-General
Physics-
What is the percentage error in the measurement of time period of a pendulum if maximum errors in the measurement of '' and 'g' are 2% and 4 % respectively -
What is the percentage error in the measurement of time period of a pendulum if maximum errors in the measurement of '' and 'g' are 2% and 4 % respectively -
Physics-General
Physics-
The number of particles crossing the unit area perpendicular to the x-axis per unit time is given by : where n1 and n2 are the numbers of particles per unit volume for the values of x meant to be x1 and x2 respectively. What is the dimensional formula for the diffusion constant D ?
The number of particles crossing the unit area perpendicular to the x-axis per unit time is given by : where n1 and n2 are the numbers of particles per unit volume for the values of x meant to be x1 and x2 respectively. What is the dimensional formula for the diffusion constant D ?
Physics-General
Physics-
The surface tension of a liquid is 70 dynes/cm. It may be expressed in M.K.S. system as-
The surface tension of a liquid is 70 dynes/cm. It may be expressed in M.K.S. system as-
Physics-General
Physics-
The radius of the circle is stated as 2.12 cm. Its area should be written as-
The radius of the circle is stated as 2.12 cm. Its area should be written as-
Physics-General
Physics-
Given P = 0.0030 m, Q = 2.40 m and R = 3000 m, the number of significant figures in P, Q, R are respectively-
Given P = 0.0030 m, Q = 2.40 m and R = 3000 m, the number of significant figures in P, Q, R are respectively-
Physics-General
Physics-
period of a body under S.H.M. is representedby : T PaDbSc, where P is pressure, D is density and S is surface tension, then the values of a, b, and c are-
period of a body under S.H.M. is representedby : T PaDbSc, where P is pressure, D is density and S is surface tension, then the values of a, b, and c are-
Physics-General
Physics-
Choose the wrong statement
Choose the wrong statement
Physics-General
Physics-
The distance covered by a particle in time t is given by x = a + bt + ct2 + dt3. The dimensions of a and d are –
The distance covered by a particle in time t is given by x = a + bt + ct2 + dt3. The dimensions of a and d are –
Physics-General
Physics-
If the units of length , velocity and force are half, then the units of Power will be –
If the units of length , velocity and force are half, then the units of Power will be –
Physics-General
Physics-
If Force =(x/density) + C is dimensionally correct, the dimension of x are –
If Force =(x/density) + C is dimensionally correct, the dimension of x are –
Physics-General