The van der waals equation for a gas is (P + a/v2)(V-b) = RT where P = Pressure, V = Volume, T = Temperature. Find the dimensions and SI units of a,b, and the Gas Constant R.
A man walks on a straight road from his home to the market 2.5 km away with a speed of 5km/hr .Finding the market closed ,he instantly turns and walks back home with a speed of 7.5 km/hr .What is the magnitude of average velocity and average speed of man over the interval of time :
correctness of dimensitional formula v=u+at
The velocity (v) of transverse waves on a string may depend upon (1) length (l) of string, (2) tension T in the string and (3) mass per unit length (m) of the string. Derive the formula dimensionally.
the displacement time graph for the two particles A and B are straight lines inclined at angles of 30 and 45 degrees with the time axis.what is the ratio of the velocities VA : VB ?
PLZ ANS AS SOON AS POSSIBLE ...........TOMMOROW IS MY EXAM
The velocity of sound waves 'v' through a medium may be assumed to depend on:
1. the density of the medium 'd' 2. the modulus of elasticity 's'
Deduce by the method of dimension for formula for the velocity of sound.(take dimensional constant k=1)
What is the dimensional formula of E=mc2?
the velocity 'v' of water waves may depend on their wavelength, density of water and acceleration due to gravity. Find relation between these quantities by the method of dimension
check the dimensional accuracy of the relation T=2pie root l/g?
Two resistors of resistances R1= 100+/-3 ohm and R2= 200+/-4 ohm are connected (a) in series, (b) in parallel. Find the equivalent resistance of the (a) series combination, (b) parallel combination. Use for (a) the realtion R = R1+ R2and for (b) 1/R ' = 1/R1+ 1/R2andΔR '/R '2=ΔR1/R12+ΔR2/R22.
Can a quantity have dimensions but still no units?
Find the dimension of a/b in the equation p=a-t2/bx where p is pressure,x is distance and t is time.
what is the dimensional formula for heat?
If x=a+bt+ct2 where x is in metres and t is in seconds.What is the unit of c?
The van der waals equation for a gas is (P + a/v2)(V-b) = RT where P = Pressure, V = Volume, T = Temperature. Find the dimensions and SI units of a,b, and the Gas Constant R.
A man walks on a straight road from his home to the market 2.5 km away with a speed of 5km/hr .Finding the market closed ,he instantly turns and walks back home with a speed of 7.5 km/hr .What is the magnitude of average velocity and average speed of man over the interval of time :
correctness of dimensitional formula v=u+at
The velocity (v) of transverse waves on a string may depend upon (1) length (l) of string, (2) tension T in the string and (3) mass per unit length (m) of the string. Derive the formula dimensionally.
the displacement time graph for the two particles A and B are straight lines inclined at angles of 30 and 45 degrees with the time axis.what is the ratio of the velocities VA : VB ?
PLZ ANS AS SOON AS POSSIBLE ...........TOMMOROW IS MY EXAM
The velocity of sound waves 'v' through a medium may be assumed to depend on:
1. the density of the medium 'd' 2. the modulus of elasticity 's'
Deduce by the method of dimension for formula for the velocity of sound.(take dimensional constant k=1)
What is the dimensional formula of E=mc2?
the velocity 'v' of water waves may depend on their wavelength, density of water and acceleration due to gravity. Find relation between these quantities by the method of dimension
check the dimensional accuracy of the relation T=2pie root l/g?
Two resistors of resistances R1= 100+/-3 ohm and R2= 200+/-4 ohm are connected (a) in series, (b) in parallel. Find the equivalent resistance of the (a) series combination, (b) parallel combination. Use for (a) the realtion R = R1+ R2and for (b) 1/R ' = 1/R1+ 1/R2andΔR '/R '2=ΔR1/R12+ΔR2/R22.
Can a quantity have dimensions but still no units?
Find the dimension of a/b in the equation p=a-t2/bx where p is pressure,x is distance and t is time.
what is the dimensional formula for heat?
If x=a+bt+ct2 where x is in metres and t is in seconds.What is the unit of c?