Physics-
General
Easy
Question
Which one of the following is not a unit of time ?
- lunar month
- leap year
- parallactic second
- solar day
The correct answer is: parallactic second
Related Questions to study
Physics-
If the unit of length is micrometre and the unit of time is microsecond, the unit of velocity will be-
If the unit of length is micrometre and the unit of time is microsecond, the unit of velocity will be-
Physics-General
Physics-
Which of the following pairs of physical quantities has different dimensions ?
Which of the following pairs of physical quantities has different dimensions ?
Physics-General
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The units nanometre, fermi, angstrom and attometre, arranged in decreasing order will read as-
The units nanometre, fermi, angstrom and attometre, arranged in decreasing order will read as-
Physics-General
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In arithmetic 17.8 × 3.1143 = 55.4354. But as a result of experimental measurements the best way to express the product is-
In arithmetic 17.8 × 3.1143 = 55.4354. But as a result of experimental measurements the best way to express the product is-
Physics-General
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The volume of one sphere is 1.76 c.c. The volume of 25 such spheres (according to the idea of significant figures) is-
The volume of one sphere is 1.76 c.c. The volume of 25 such spheres (according to the idea of significant figures) is-
Physics-General
Physics-
Which of the following is the most accurate measurement ?
Which of the following is the most accurate measurement ?
Physics-General
Physics-
The SI unit oflength is the meter. Suppose we adopt a new unit of length which equals to x meters. The area 1m2 expressed in terms of the new unit has a magnitude-
The SI unit oflength is the meter. Suppose we adopt a new unit of length which equals to x meters. The area 1m2 expressed in terms of the new unit has a magnitude-
Physics-General
Physics-
The velocity of a moving particle depends upon time t as v = at + 
. Then dimensional formula for b is –
The velocity of a moving particle depends upon time t as v = at + . Then dimensional formula for b is –
Physics-General
Physics-
For 10(at+3) , the dimension of a is-
For 10(at+3) , the dimension of a is-
Physics-General
Physics-
Vander waal's gas equation is
(V–b) = RT. The dimensions of constant a as given above are –
Vander waal's gas equation is (V–b) = RT. The dimensions of constant a as given above are –
Physics-General
Physics-
A and B are two physical quantities having different dimensions. Then which of the following operation is dimensionally correct ?
A and B are two physical quantities having different dimensions. Then which of the following operation is dimensionally correct ?
Physics-General
Physics-
The dimensions of the quantity 
are -
The dimensions of the quantity are -
Physics-General
Physics-
Dimensions of magnetic flux density is -
Dimensions of magnetic flux density is -
Physics-General
Physics-
If coil is open then L and R become
If coil is open then L and R become
Physics-General
Physics-
2m long wire is moved with a velocity 1
in a magnetic field of intensity 0.5 
in direction perpendicular to the field. The emf induced in it will be
2m long wire is moved with a velocity 1 in a magnetic field of intensity 0.5 in direction perpendicular to the field. The emf induced in it will be
Physics-General
