NCERT 2022 | सूक्ष्मजीव : मित्र एवं शत्रु - L5 |Microorganisms| CLASS8 विज्ञान | 8AM | Subhadra Mam

Magnetism-L5-L8

Two cars A and B leave Delhi at 8:30 a.m. and 9 a.m. for Shimla, respectively. They travel at the speeds of 40km/h and 50 km/h respectively. How many kilometres away from Delhi will the two cars be together? दो कारें A तथा B दिल्ली से क्रमशः 8: 30 a.m एवं 9 a.m में शिमला जाने के लिए खुलती है | वे क्रमशः 40 किमी/घंटा तथा 50 किमी/घंटा की चाल से यात्रा करती हैं | दोनों कारें दिल्ली से कितने किलोमीटर की दूरी पर एक साथ होंगी ?

What volume of oxygen gas (O_(2)) measured of 0^(@)C and 1 am needed to burn completely 1 L of propane gas (C_(3) H_(8)) measured under the same conditions?

If the A.M of roots of quadratic is (delta)/(5) and AM of their reciprocal is (8)/(7) then the quadratic equation is B find the minimum value of x^(2)+2xy+3y^(2)-6x-2y

At NTP , 5.6 L of a gas weight 8 g . The vapour density of gas is :-

An L-C-R series circuit has a maximum current of 5A . If L=0.5H and C=8muF , then the angular frequency of AC voltage is

Thirty children were asked about the number of hours they watched TV programmes in the previous week. The results were found as follows: 1 6 2 3 5 12 5 8 4 8 10 3 4 12 2 8 15 1 17 6 3 2 8 5 9 6 8 7 14 12 (i) Make a grouped frequency distribution table for this data, taking class width 5 and one of the class intervals as 5 - 10. (ii) How many children watched television for 15 or more hours a week?

5*6 L of a gas at S.T.P. weights equal to 8 g. The vapour density of gas is

If the A.M. of the roots of a quadratic equation is (8)/(5) and the A.M. of their reciprocals is (8)/(7) then the equation is