ધોરણ 8 વિજ્ઞાન સ્વ અધ્યયન પોથી,dhoran 8 ch 18 vigyan swadhyay pothi,std 8 vigyan swadhyyanapothi,std 8 science gujarati medium, gujarat board std 8

In a hostel of 100 students capacity 42 are science graduate 34 are law graduate and 58 are commerce graduate. 8 students are science and law graduate,. 13 students are law and commerce graduate 18 students are commerce and science graduate. How many student are only science graduate?

In a Std. X class, out of 40 students, 10 students use spectacles, 2 students have positive power and 8 students have negative power and 8 students have negative power of lenses in their spectacles . What does the positive power indicate ?

In a Std. X class, out of 40 students, 10 students use spectacles, 2 students have positive power and 8 students have negative power and 8 students have negative power of lenses in their spectacles . Give two possible reasons for the above defect .

In a Std. X class, out of 40 students, 10 students use spectacles, 2 students have positive power and 8 students have negative power and 8 students have negative power of lenses in their spectacles . What defect of eyesight do must of the students suffer from ?

In a Std. X class, out of 40 students, 10 students use spectacles, 2 students have positive power and 8 students have negative power and 8 students have negative power of lenses in their spectacles . What does the negative power indicate ?

In a Std. X class, out of 40 students, 10 students use spectacles, 2 students have positive power and 8 students have negative power and 8 students have negative power of lenses in their spectacles . Generally which type of spectacles do most of the students use ?

The velocity factor of a transmission line x . If dielectric constant of the medium is 1.8 , the value of x is