Q96. What are the dimensions of relative acceleration?
Anonymous Quiz
36%
M⁰LT-²
36%
MLT-²
27%
M⁰L⁰T⁰
0%
MLT⁰
Q97. The Given equation concerning you?
[ v²-u²=3as 】
[ v²-u²=3as 】
Anonymous Quiz
25%
Dimensionally correct but physically some how correct
19%
Both dimensions and physical form incorrect
6%
Dimensionally incorrectly but physically correct
50%
Dimensionally correct but physically incorrect
Q98. Which of the following group of physical quantity can be considered as a group of fundamental physical quantity
Anonymous Quiz
50%
Force, mass , time
14%
Mass, force, acceleration
7%
Velocity, momentum, mass
29%
none
Q99. Assertion (A): Astronomical unit, light year and parsec measures distance
Reason (R): Each has dimension of distance
Reason (R): Each has dimension of distance
Anonymous Quiz
92%
If both Assertion (A) & Reason (R) are True & the Reason is a correct explanation of the Assertion
8%
If both Assertion & (R) are True & the Reason is not a correct explanation of the Assertion
0%
both false
0%
only assertion true
Q101. which of the following is correct if A & B are different PQ ?
Anonymous Quiz
17%
A+B
0%
A-B
78%
A/B
6%
A/A-B
Q112 . X=B Cos( kx - wt ) dimensions of k & w?
Anonymous Quiz
70%
L-¹ & T-¹
10%
L-² & T-¹
20%
T-¹ & L-¹
0%
None
Q113. Dimensions of d²x/dt² = ?
Anonymous Quiz
10%
Velocity
70%
Acceleration
20%
Position ( LT-²)
0%
Distance
Q114 . Which one can't enter into fundamental list?
Anonymous Quiz
0%
M , T , LT-²
57%
L , L³ , MLT-¹
0%
M, LT-¹ , T
43%
L , MLT-² , T
Q115. Assertion (A): Mass, volume, and time may be taken as fundamental quantities in a system of units.
Reason (R): Mass, volume, and time are independent of one another
Reason (R): Mass, volume, and time are independent of one another
Anonymous Quiz
20%
A is false, but R is true
40%
A is true and explains R
40%
A is true and not explains R
0%
both false
Q116. Assertion (A): The method of dimensions analysis cannot validate the exact relationship between physical quantities in any equation.
Reason (R): It does not distinguish between the physical quantities having same dimensions eg; velocity & speed .
Reason (R): It does not distinguish between the physical quantities having same dimensions eg; velocity & speed .
Anonymous Quiz
80%
Assertion (A) is true, Reason (R) is true; Reason (R) is a correct explanation for Assertion (A).
20%
Assertion (A) is true, Reason (R) is true; Reason (R) is not correct explanation for Assertion (A).
0%
Assertion (A) is true, Reason (R) is false.
0%
both false
Q117. which one is not a limitations of dimension analysis ?
Anonymous Quiz
22%
we cant predict physical correctness
11%
it doesnt tell the nature of PQ
0%
no info about dimensional constant
67%
we can derive the equations by adding , sub , log , trigo functions
Q118. Which PQ is derived from Density and LT-¹ ?
Anonymous Quiz
33%
Pressure
33%
Volume
0%
Force
33%
Momentum
Q119. Which PQ derived from MLT-¹ divided by Time ?
Anonymous Quiz
67%
Force
11%
Pressure
11%
Denisty
11%
Momentum
Q120. What is the number of significant figures of the following numbers
7200, 80300, 803.000 , 79.00 , 8.342 , 0.000491000, 200800
7200, 80300, 803.000 , 79.00 , 8.342 , 0.000491000, 200800
Anonymous Quiz
0%
4 ,6 , 6 , 4 , 4 , 6 , 4
20%
4 , 3 , 6 , 4 , 4 , 6 , 6
10%
2 , 3 , 6 , 4 , 3 , 6 , 4
70%
2 , 3 , 6 , 4 , 4 , 6 , 4
Q121. How many significant figures are present in perimeter of square ?
Anonymous Quiz
11%
100
0%
2
22%
3
67%
infinity
Q122. Substract 0.2 from 5.27 and give significant figures?
Anonymous Quiz
56%
5.1
22%
5.0
22%
5.07
0%
5.06
Q123. Calculate number of atoms present in one line of water ( density of water is 1g/mL ) ?
Anonymous Quiz
11%
116.5 NA atoms
56%
160.5 NA atoms
33%
166.5 NA atoms
0%
106.5 NA atoms