Nazir Bhai Korpal

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Nazir Bhai Korpal

Asked: 3 years agoIn: General Awareness

A bob of mass m is suspended by a light string of length L. It is imparted a horizontal velocity `v_(0)` at the lowest point A such that it completes a semi-circular trajectory in the vertical plane with the string becoming slack on reaching the topmost point C, figure, Obtain an expression for (i) `v_(0)` (ii) the speeds at points B and C, (ii) the ration of kinetic energies `(K_(B)//K_(C))` at B and C.
Comment on the nature of the trajectory of the bob after it reahes the poing C.

Nazir Bhai Korpal

Asked: 3 years agoIn: Class 10

Differentiate between non probable and probable numbers

Nazir Bhai Korpal

Asked: 3 years agoIn: Class 10

Y it is science

Nazir Bhai Korpal

Asked: 3 years agoIn: General Awareness

मान लीजिए n धनात्मक पूर्णांक इस प्रकार से है कि
`sin. pi/(2n) + cos. pi/(2n) = sqrtn/2`तो –
A. `6 le n le 8`
B. `4 lt n le 8`
C. `6 lt n le 8`
D. `4 lt n lt 8`

Nazir Bhai Korpal

Asked: 3 years agoIn: Class 10

Conservation of soil resources

Nazir Bhai Korpal

Asked: 3 years agoIn: Class 09

Radius=5cmFind area of sphere

Nazir Bhai Korpal

Asked: 3 years agoIn: General Awareness

Which of the following statements are incorrect about the oxidation state and acidic nature of oxo-acids?
A. `SO_3` is a stronger oxidising agent and more acidic than `SO_2`
B. Selenium form only two oxo-acids i.e. selenous acid `(H_2SeO_3)` and selenic acid `(H_2SeO_4)`
C. The acidic strength and oxidising power of oxo-acids is greater in +6 oxidation state than in +4 oxidation state
D. None of these

Nazir Bhai Korpal

Asked: 3 years agoIn: Class 09

Can we really touch anything ?…

Nazir Bhai Korpal

Asked: 3 years agoIn: General Awareness

Wavefront means
A. All particles in it have same phase
B. All the particles have opposite phase of vibration
C. Few particles are in same phase, rest are in opposite phase
D. None of these

Nazir Bhai Korpal

Asked: 3 years agoIn: General Awareness

The relationship between `alpha` and `beta` is given by
A. `alpha=b`
B. `alpha=(1)/(beta)`
C. `beta=(alpha)/(1-alpha)`
D. `beta=(alpha)/(1+alpha)`

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Nazir Bhai Korpal

Differentiate between non probable and probable numbers

Y it is science

मान लीजिए n धनात्मक पूर्णांक इस प्रकार से है कि
`sin. pi/(2n) + cos. pi/(2n) = sqrtn/2`तो –
A. `6 le n le 8`
B. `4 lt n le 8`
C. `6 lt n le 8`
D. `4 lt n lt 8`

Conservation of soil resources

Radius=5cmFind area of sphere

Can we really touch anything ?…

Wavefront means
A. All particles in it have same phase
B. All the particles have opposite phase of vibration
C. Few particles are in same phase, rest are in opposite phase
D. None of these

The relationship between `alpha` and `beta` is given by
A. `alpha=b`
B. `alpha=(1)/(beta)`
C. `beta=(alpha)/(1-alpha)`
D. `beta=(alpha)/(1+alpha)`

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