UNITS AND MEASUREMENTS QUIZ-8
Dear Readers,
JEE Advanced Physics Syllabus can be referred by the IIT aspirants to get a detailed list of all topics that are important in cracking the entrance examination. JEE Advanced syllabus for Physics has been designed in such a way that it offers very practical and application-based learning to further make it easier for students to understand every concept or topic by correlating it with day-to-day experiences. In comparison to the other two subjects, the syllabus of JEE Advanced for physics is developed in such a way so as to test the deep understanding and application of concepts.
Q1. The number of significant figures in 5.69 × 1015 kg is
Solution
(c)
5.69×1015 kg has three significant figures as the power of 10 is not considered for significant figures
5.69×1015 kg has three significant figures as the power of 10 is not considered for significant figures
Q2. Dimensional representation of coefficient of friction is
Solution
(c)
Coefficient of friction is a dimensionless quantity
Coefficient of friction is a dimensionless quantity
Q5. The pair having the same dimensions is
Solution
(b)
Dimension of work and torque =[ML^2 T^(-2)]
Dimension of work and torque =[ML^2 T^(-2)]
Q6. If the velocity (V), acceleration (A), and force (F) are taken as fundamental quantities instead of mass (M), length (L), and time (T), the dimensions of young’s modulus (Y) would be
Q8. Assuming that the mass m of the largest stone that can be moved by a flowing river depends upon the velocity v of the water, its density ρ and the acceleration due to gravity g. Then m is directly proportional to