Two quantities A and B have different dimensions. Which mathematical operation g

Question

Two quantities A and B have different dimensions. Which mathematical operation given below is physically meaningful?

Options:

A . AB

B . A+B

C . A-B

D . None

Answer: Option A
:
A
Quantities having different dimensions can only be divided or multiplied but they cannot be added or subtracted.

Was this answer helpful ?

Next Question

More Questions on This Topic :

Question 1. The equation (P+av2) (v-b) = constant. If P and V are the pressure and volume, the C.G.S units of a is....

Question 2. Young's modulus of a material has the same units as....

Question 3. The unit of LR is (where L= inductance and R= resistance) ....

Question 4. Planck's constant has the dimensions (unit) of....

Question 5. The period of a body under SHM i.e. presented by T = PaDbSc ; where P is pressure, D is density and S is surface te....surface tension. The value of a, b and c are

Question 6. If the unit of length and force be increased four times, then the unit of energy is....

Question 7. The dimensions of universal gravitational constant are....

Question 8. The Martians use force(F) , acceleration (A) and time (T) as their fundamental physical quantities. The dimensions of le....physical quantities. The dimensions of length on Martians system are

Question 9. The velocity of water waves v may depend upon their wavelength λ the density of water ρ and the acceleration....method of dimensions gives the relation between these quantities as

Question 10. The velocity of a particle depends upon as v = a + bt + ct2 ; if the velocity is in m/sec, the unit of a will be ....

Chapter 1 - GLOBAL STEEL SCENARIO & INDIAN STEEL INDUSTRY Part 1 : (13-04-2024) INDUSTRY AND COMPANY AWARENESS (ICA)

Direction Sense Test Part 1 Reasoning (Hindi)

Chapter 1 - RMHP / OHP / OB & BP Part 1 : (14-02-2024) GPOE

Cube & Cuboid Part 1 Reasoning (Hindi)

Data Interpretation (DI) Basic Concept Reasoning (Hindi)

Counting Figures Part 1 Counting Of Straight Lines Reasoning (Hindi)

Sail E0 free webinar Webinars

Real Numbers Part 7 Class 10 Maths

Real Numbers Part 1 Class 10 Maths

Polynomials Part 1 Class 10 Maths

DSP Combined 1 Free Revision Test SAIL JO E-0

GPOE / GPA Combined 1 Free Revision Test SAIL JO E-0

BSP Plant Specific Review Test SAIL JO E-0

BSL Combined 1 Free Revision Test SAIL JO E-0

GFM Combined 1 Free Revision Test SAIL JO E-0