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Munni Biren Rattan

Asked: 3 years agoIn: General Awareness

Forces of magnitudes 5 and 3 units acting in the directions ` 6hati + 2hatj + 3hatk and 3 hati – hati +6hatk` respectively act on a particle which is displaced from the point ( 2,2,-1) to ( 4,3,1) . The work done by the forces, is
A. 148 unit
B. ` 148/7` unit
C. 296 units
D. none of these

Munni Biren Rattan

Asked: 3 years agoIn: Class 10

2018 final exam questions

Munni Biren Rattan

Asked: 3 years agoIn: Class 10

P of x is equals to x square – 6 x + 9

Munni Biren Rattan

Asked: 3 years agoIn: Class 11

What is cofficient of deviation

Munni Biren Rattan

Asked: 3 years agoIn: General Awareness

When hydrogen gas is burnt in chlorine 2000 cals of heat is librated during the formation of 3.65 g of `HCl, Delta H` of formation of `HCl` is
A. 2 K.cal
B. `-20` K.cal
C. `+20` K.cal
D. `-2` K.cal

Munni Biren Rattan

Asked: 3 years agoIn: General Awareness

ताम्बे के एक तार के अनुप्रस्थ काट का क्षेत्रफल `3 xx 10^(-6)” `मीटर`”^(2) ` है । इसमें 4.2 ऐम्पियर की धारा प्रवाहित हो रही है । निम्न की गणना कीजिये – (i) तार में धारा घनत्व (ii) इलेक्ट्रॉनों का अपवाह वेग । ताम्बे में मुक्त इलेक्ट्रॉनों की संख्या `8.4xx10^(28)` प्रति मीटर` “”^(2)` है ।

Munni Biren Rattan

Asked: 3 years agoIn: General Awareness

दो ध्वनि-स्त्रोत जिनके द्वारा उत्पन्न प्रगामी तरंगे `y_(1)=4sin400pit` तथा `y_(2)=3sin404pit` है, एक व्यक्ति के कान के समीप स्थित है। वह सुनेगा:
A. विस्पन्द/सेकण्ड तथा अधिकतम एव न्यूनतम तीव्रताओं का अनुपात 4/3
B. 2 विस्पन्द/सेकण्ड तथा अधिकतम एव नीनतम तीव्रतीओ का अनुपात 49/1
C. 4 विस्पन्द/सेकण्ड तथा अधिकतम एव न्यूनतम तीव्रताओं का अनुपात 7/1
D. विस्पन्द/सेकण्ड तथा अधिकतम एव न्यूनतम तीव्रताओं का अनुपात 4/3.

Munni Biren Rattan

Asked: 3 years agoIn: General Awareness

In some algae, the two gametes are so similar in appear-ance that is not possible to categorise them into male and female gametes. These gametes are called
A. Isogametes
B. Heterogametes
C. Homogametes
D. Both A and C.

Munni Biren Rattan

Asked: 3 years agoIn: Class 10

Notes of lnternet

Munni Biren Rattan

Asked: 3 years agoIn: Class 10

Find all zeroes of polynomial 4×4 – 20×3 + 5x – 6 , if two of its zeroes are 2and 3

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