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Zara Parsa

Asked: 3 years agoIn: Class 10

Short note on Rio de jenorio

Zara Parsa

Asked: 3 years agoIn: Class 10

Weightage of chapters of science 2018

Zara Parsa

Asked: 3 years agoIn: General Awareness

Let A = {1, 2, 3}, B = {1, 3, 5}. If relation R and A to B is given by R = {(1, 3), (2, 5), (3, 3)}. Then R⁻¹ is
A. {(3, 3), (3, 1), (5, 2)}
B. {(1, 3), (2, 5), (3, 3)}
C. {(1, 3), (5, 2)}
D. none of these.

Zara Parsa

Asked: 3 years agoIn: Class 10

Biology main 2nd activity kya hai fair notebook main karne ke kiye.

Zara Parsa

Asked: 3 years agoIn: General Awareness

A horizontal plank has a rectangular block placed on it. The plank starts oscillating vertically and simple harmonically with an amplitude of `40 cm`. The block just loses contact with the plank when the latter is at momentary rest. Thin :
A. the period of oscillation is `((2pi)/(5))`
B. the block weights its true weight `0.5` times its weight on the plank halfway up
C. the block weight double weights `1.5` time its weight on the plank halfway down
D. The block weight on the plank when the letter moves fastest

Zara Parsa

Asked: 3 years agoIn: General Awareness

पृथ्वी तल पर पलायन चाल 11.2 किमी/सेकण्ड है । एक ग्रह की त्रिज्या पृथ्वी की त्रिज्या से चार गुनी है । ग्रह के तल पर पलायन चाल ज्ञात कीजिये यदि –
(i) ग्रह का द्रव्यमान पृथ्वी के बराबर हो I
(ii) ग्रह का घनत्व पृथ्वी के घनत्व के बराबर हो ।

Zara Parsa

Asked: 3 years agoIn: Class 10

Define non renewable and renewable source of energy with example

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