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Himani Bumb

Asked: 3 years agoIn: Class 10

What is patol babu

Himani Bumb

Asked: 3 years agoIn: General Awareness

Let `veca` and `vecb` are non collinear vectors. If vectors `vecalpha=(lambda-2)veca+vecb` and `vecbeta=(4lambda-2)veca+3vecb` are collinear, then `lambda` is equal to (a) `-4` (b) `4` (c) `2` (d) `-2`
A. 4
B. -3
C. 3
D. -4

Himani Bumb

Asked: 3 years agoIn: Class 09

Difference between aqueous and nonaqueous solution

Himani Bumb

Asked: 3 years agoIn: General Awareness

match the following

Himani Bumb

Asked: 3 years agoIn: Class 10

If cos2theta =sin4theta , where 2theta and 4theta are acute angles,find the value of theta

Himani Bumb

Asked: 3 years agoIn: General Awareness

Cartain materials such as turpentine oil, unsaturated organic compound, phosophorus, metals such as `Zn`, and `Pb`, etc., can absorb `O_(2)` from air in the presence of `H_(2)O`, which is converted to absorb `O_(2)` from air in the presence of `H_(2)O`, which is converted to `H_(2)O_(2)`. This is called autoxidation. Intermolecular redox reactions are those in which one molecule is oxidised and the other is reduced. Intramolecular redox reactions are those in which oen atom of a molecule is oxidised and the other atom is reduced.
Which of the following statements about the reaction is`//`are correct?
`2AsCl_(4)^(ө)+3Znrarr2Au+3Zn^(2+)+8Cl^(ө)`
A. `AuCl_(4)^(ө)` is reduced to `Au`
B. `Zn` is oxidised to `Zn^(2+)`
C. `Cl^(ө)` is a spectator ion.
D. It is an intermolecular redox reaction.

Himani Bumb

Asked: 3 years agoIn: Class 11

Bernaulli theorem

Himani Bumb

Asked: 3 years agoIn: Class 11

How does MRS impact the shape of IC ?

Himani Bumb

Asked: 3 years agoIn: General Awareness

A rigid body is said to be in translational equilibrium, if it remains at rest or moving with a constant velocity in a particular direction. For this, the net external force or vector sum of all the external forces acting on the body must be zero, i.e.,
`oversetrarr(F) = 0 or overset rarr(F) = sum overset rarr(F_(i)) = 0`
If `U` is potential energy of the body, then
`F = – (dU)/(dr) = 0 or U =` constant (max. or min.)
When `U =` minimum, equilibrium of body is stable,
When `U` tends to increase, equilibrium is unstable,
When `U` remains constant, equilibrium is neutral.
Read the above passage and answer the following questions :
(i) When can a bosy moving uniformly along a straight line be in equilibrium ? What is this equlilbrium called ?
(ii) What is the significance of `U =` minimum in day to day life ?

Himani Bumb

Asked: 3 years agoIn: Class 11

(a+b)^3

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Himani Bumb

What is patol babu

Let `veca` and `vecb` are non collinear vectors. If vectors `vecalpha=(lambda-2)veca+vecb` and `vecbeta=(4lambda-2)veca+3vecb` are collinear, then `lambda` is equal to (a) `-4` (b) `4` (c) `2` (d) `-2`
A. 4
B. -3
C. 3
D. -4

Difference between aqueous and nonaqueous solution

match the following

If cos2theta =sin4theta , where 2theta and 4theta are acute angles,find the value of theta

Bernaulli theorem

How does MRS impact the shape of IC ?

(a+b)^3

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