NCERT 2022 | बल तथा गति के नियम - L17 | CLASS 9 - विज्ञान | 9 AM Class by Subhadra Ma'am

बल तथा गति के नियम - अभ्यास प्रश्न|Summary

Force And Newton Laws Of Motion(बल तथा गति के नियम)-Equilibrium,Non-Equilibrium|Psedo Force & Impulse|Questions-Force & NLM|OMR|Summary

Force And Newton Laws Of Motion(बल तथा गति के नियम)-Equilibrium,Non-Equilibrium|Psedo Force & Impulse|Questions-Force & NLM|OMR|Summary

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 ?

भौतिक जगत |भौतिक का प्रयोजन तथा उतेजन |न्यूनीकरण |एकीकरण |भौतिक विज्ञान |प्रकार्ति के मूल बल (गुरत्वकर्षण)|प्रबल नाभिकीय बल |OMR |विदयत चम्बकीय बल |दुर्बल नाभिकीय बल |Summary |सरक्षण नियम

भौतिक जगत |भौतिक का प्रयोजन तथा उतेजन |न्यूनीकरण |एकीकरण |भौतिक विज्ञान |प्रकार्ति के मूल बल (गुरत्वकर्षण)|प्रबल नाभिकीय बल |OMR |विदयत चम्बकीय बल |दुर्बल नाभिकीय बल |Summary |सरक्षण नियम

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?

Consider the marks, out of 100, obtained by 51 students of a class in a test, given in Table 14.9. M a r k s"N u m b e r o f S t u d e n t s"0-10 5 10-20 10 20-30 4 30-40 6 40-50 7 50-60 3 60-70 2 70-80 2 80-90 3 90-100 9Tot a l 51 Draw a freque

12 PM Special Class | Class 11 - STRUCTURE OF ATOM || BOHR MODEL By Yakshu Ma'am

The distance (in km) of 40 engineers from their residence to their place of work were found as follows: 5 3 10 20 25 11 13 7 12 31 19 10 12 17 18 11 32 17 16 2 7 9 7 8 3 5 12 15 18 3 12 14 2 9 6 15 15 7 6 12 Construct a grouped frequency distribution table with class size 5 for the data given above taking the first interval as 0-5 (5 not included). What main features do you observe from this tabular representation?