Rajendra Kirti Raj

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Rajendra Kirti Raj

Asked: 3 years agoIn: General Awareness

The coefficient of performance of a Carnot refrigerator is 4. If T_C = 250 K, then T_H =
(A) 625 K
(B) 310 K
(C) 312.5 K
(D) 320 K.

Rajendra Kirti Raj

Asked: 3 years agoIn: General Awareness

Which of the following are not similar?
(A) Allcircies
(B) All squares
(C) All quadrilaterals
(D) All equilateral triangles

Rajendra Kirti Raj

Asked: 3 years agoIn: Class 11

1+1????

Rajendra Kirti Raj

Asked: 3 years agoIn: Neet

Excess atmospheric CO₂ increases green house effect as CO₂ :–
(a) Precipitates dust in the atmosphere
(b) Reduces atmospheric pressure
(c) Is opaque to infrared rays
(d) Is not opaque to infrared rays

Rajendra Kirti Raj

Asked: 3 years agoIn: General Awareness

A highly rigid cubical block `A` of small mass `M` and side `L` is fixed rigidly on the other cubical block of same dimensions and of modulus of rigidity `eta` such that the lower face of `A` completely covers the upper face of `B`. The lower face of `B` is rigidly held on a horizontal surface . `A` small force `F` is applied perpendicular to one of the side faces of `A`. After the force is withdrawn , block `A` executes faces of `A`. After the force is withdrawn , block `A` exceutes small oscillations , the time period of which is given by
A. `sqrt(eta mL)`
B. `2pisqrt(m(eta)/(L))`
C. `2pisqrt(((mL)/(eta)))`
D. `2pisqrt(((m)/(etaL)))`

Rajendra Kirti Raj

Asked: 3 years agoIn: Class 11

what is biology ??

Rajendra Kirti Raj

Asked: 3 years agoIn: Class 10

Why does the postmaster send money to lencho? Why does he sign the letter \’God\’?

Rajendra Kirti Raj

Asked: 3 years agoIn: General Awareness

Electric conduction in a semiconductor takes place due to
(a) electrons only
(b) holes only
(c) both electrons and holes
(d) neither electrons nor holes.

Rajendra Kirti Raj

Asked: 3 years agoIn: Class 11

Give me some examples of advertisments

Rajendra Kirti Raj

Asked: 3 years agoIn: Class 09

What is mean weed

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Rajendra Kirti Raj

The coefficient of performance of a Carnot refrigerator is 4. If T_C = 250 K, then T_H =
(A) 625 K
(B) 310 K
(C) 312.5 K
(D) 320 K.

Which of the following are not similar?
(A) Allcircies
(B) All squares
(C) All quadrilaterals
(D) All equilateral triangles

1+1????

Excess atmospheric CO₂ increases green house effect as CO₂ :–
(a) Precipitates dust in the atmosphere
(b) Reduces atmospheric pressure
(c) Is opaque to infrared rays
(d) Is not opaque to infrared rays

what is biology ??

Why does the postmaster send money to lencho? Why does he sign the letter \’God\’?

Electric conduction in a semiconductor takes place due to
(a) electrons only
(b) holes only
(c) both electrons and holes
(d) neither electrons nor holes.

Give me some examples of advertisments

What is mean weed

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