Runjhun Bains

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Runjhun Bains

Asked: 3 years agoIn: Class 09

How can you insert a picture ina slide

Runjhun Bains

Asked: 3 years agoIn: Class 10

If two ammeters are connected in same circuit will there be any difference in their readings

Runjhun Bains

Asked: 3 years agoIn: Class 11

Who is omprakash valmiki

Runjhun Bains

Asked: 3 years agoIn: Class 10

Has probability any use in our practical life☺

Runjhun Bains

Asked: 3 years agoIn: General Awareness

If `(a_(1) ,b_(1),c_(1)) ” and “(a_(2),b_(2),c_(2))` be the direction rations of two parallel lines then
A. `a_(1) =a_(2) ,b_(1) =b_(2) ,c_(1)=c_(2)`
B. `(a_(1))/(a_(2)) =(b_(1))/(b_(2)) =(c_(1))/(c_(2))`
C. `a_(1)^(2) +b_(1)^(2) +c_(1)^(2) =a_(2)^(2) +b_(2)^(2) +c_(2)^(2)`
D. `a_(1)a_(2) +b_(1)b_(2) +c_(1)c_(2)=0`

Runjhun Bains

Asked: 3 years agoIn: Class 11

Why black suspension of lead sulphide(pbs) on water decolourise on H2O2

Runjhun Bains

Asked: 3 years agoIn: General Awareness

What are the stages of respiration in man?

Runjhun Bains

Asked: 3 years agoIn: General Awareness

2.5 सेमी साइज़ की कोई छोटी मोमबत्ती 36 सेमी वक्रता त्रिज्या के किसी अवतल दर्पण से 27 सेमी दूरी पर रखी है । दर्पण से किसी परदे को कितनी दूरी पर रखा जाए कि उसका सुस्पष्ट प्रतिबिम्ब परदे पर बने ? प्रतिबिम्ब की प्रकृति और साइज़ का वर्णन कीजिए । यदि मोमबत्ती को दर्पण की ओर ले जाएँ, तो परदे को किस ओर हटाना पड़ेगा ?

Runjhun Bains

Asked: 3 years agoIn: Class 10

Where do i find its solutions

Runjhun Bains

Asked: 3 years agoIn: General Awareness

`C_(2)H_(7)NO_(2)`अणुसूत्र वाला एक कार्बनिक यौगिक (A) मन्द आवसव पर जल का हास करके यौगिक (B) देता है जिसका पुनः `P_(2)O_(5)` के साथ आवसन करने पर (C) प्राप्त होता है। (C) जल-अपघटन पर (D) देता है, जो `p+Cl_(2)` के साथ अभिकृत करने के पश्चात जल-अपघटन करने पर ग्लाइकोलिक अम्ल देता है। यौगिकों (A), (B),(C) तथा (D) की पहचान कीजिए।

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Runjhun Bains

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