Narayan Chandra Sachdeva

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Narayan Chandra Sachdeva

Asked: 3 years agoIn: General Awareness

Let `(veca (x) = (sin x) hati+ (cos x) hatj and vecb(x) = (cos 2x) hati + (sin 2x) hatj` be two variable vectors `( x in R)`. Then `veca (x) and vecb (x) ` are
A. collinear for unique value of x
B. perpendicular for infinte values of x.
C. zero vectors for unique value of x
D. none of these

Narayan Chandra Sachdeva

Asked: 3 years agoIn: Class 10

We are also monkey then why we are homo sapiens and monkeys are macaca fascicularis?

Narayan Chandra Sachdeva

Asked: 3 years agoIn: Class 09

Important point on “the fundamental unit of life”

Narayan Chandra Sachdeva

Asked: 3 years agoIn: General Awareness

Find the mean deviation from the mean for the following data :
Classes 0-100 100-200 200-300 300-400 400-500 500-600 600-700 700-800
Frequencies 4 8 9 10 7 5 4 3

Narayan Chandra Sachdeva

Asked: 3 years agoIn: Class 10

In Which part plant Store Starch

Narayan Chandra Sachdeva

Asked: 3 years agoIn: Class 10

which colour is appear , when we dip ph paper in water & why??

Narayan Chandra Sachdeva

Asked: 3 years agoIn: General Awareness

The temperature of germanium is decreased from room temperature to 100 K, the resistance of germanium
A. decreases
B. increases
C. remains unaffected
D. depends on external conditions

Narayan Chandra Sachdeva

Asked: 3 years agoIn: Class 10

Cell spacing and cell padding

Narayan Chandra Sachdeva

Asked: 3 years agoIn: Class 10

What is Resistance aur potential difference .

Narayan Chandra Sachdeva

Asked: 3 years agoIn: General Awareness

A and B are any two sets. `P_(1)` is the power set of A and `P_(2)` is the power set of B. If `n(P_(1)) – n(P_(2)) = 31`, then find the number of elements in A and B.

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Narayan Chandra Sachdeva

Let `(veca (x) = (sin x) hati+ (cos x) hatj and vecb(x) = (cos 2x) hati + (sin 2x) hatj` be two variable vectors `( x in R)`. Then `veca (x) and vecb (x) ` are
A. collinear for unique value of x
B. perpendicular for infinte values of x.
C. zero vectors for unique value of x
D. none of these

We are also monkey then why we are homo sapiens and monkeys are macaca fascicularis?

Important point on “the fundamental unit of life”

Find the mean deviation from the mean for the following data :
Classes 0-100 100-200 200-300 300-400 400-500 500-600 600-700 700-800
Frequencies 4 8 9 10 7 5 4 3

In Which part plant Store Starch

which colour is appear , when we dip ph paper in water & why??

The temperature of germanium is decreased from room temperature to 100 K, the resistance of germanium
A. decreases
B. increases
C. remains unaffected
D. depends on external conditions

Cell spacing and cell padding

What is Resistance aur potential difference .

A and B are any two sets. `P_(1)` is the power set of A and `P_(2)` is the power set of B. If `n(P_(1)) – n(P_(2)) = 31`, then find the number of elements in A and B.

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Classes	0-100	100-200	200-300	300-400	400-500	500-600	600-700	700-800
Frequencies	4	8	9	10	7	5	4	3

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