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Introduction to Kinematics
 
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BooksChemistry Teaser

Correct Answer wins topIITcoaching points
The reaction X--> product follows first order kinetics.In 40 min the concentration of X changes from 0.1 to 0.025 M.The rate of reaction,when concentration of X is .001 M is
Choose correct answer:
1.73x10-4 M min-1
3.47 X 10-5 M min-1
3.47x 10-4 M min-1
1.73X10-5 M  min-1 

 

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LogicalMathematics Teaser

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Q9-12(Gaussian Integers) Complex Numbers of the form u = m + i.n where m and n are integers are known as Gaussian Integers. For example, i, -i, 1 + i, 2 - 3i are all Gaussian Integers. The Norm of a Gaussian Integer u = m + i.n is defined to be d(u):= |u|2 = m2 + n2. Thus, the Norm function is multiplicative i.e. for any two Gaussian Integers u and v, d(uv) = d(u).d(v).


Gaussian integer u is said to be a unit if the complex number 1/u is also a Gaussian Integer.


 


Q11(Prime Gaussian Integers): Gaussian integer z is said to be prime complex integer if whenever z = u.v, where u and v are Gaussian Integers, either u or v is a unit. If z is a prime complex integer such that d(z) = p where p is a prime number, then which of the following MUST be true:

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z is an integer
z is a prime complex integer
z may or may not be prime complex integer
None of these
 

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Notice BoardPhysics Teaser

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Two point charges particle of equal mass and charge but opposite in nature performs uniform circular motion under
electrostatic attraction force along circulat path of diameter d then angular speed of the particle will be.
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