Author name: Admin

A. A Black Hole

B. A Neuron star

C. Vaccum

D. A Large Magellanic Cloud

A. Ratio of weight of a body and acceleration due to gravity

B. Ratio of Acceleration due to gravity and weight of a body

C. matter contained in a body

D. None of the above

A. Minimum at equator and maximum at poles

B. maximum at equator and minimum at poles

C. equal at poles and equator

D. None of the above

A. 0.98 meter per second

B. 9.8 meter per second

C. 9.8 meter per second square

D. 0.98 meter per second square

A. Stress

B. Friction

C. Moment of Inertia

D. tension

A. Zero Viscosity Only

B. Zero Compressibility Only

C. Zero Viscosity & Zero Compressibility

D. None of the above

A. A Medium is required for conduction but not required for convection and radiation

B. A medium is required for conduction, convection and radiation

C. A medium is required for conduction and convection but not required for radiation

D. A medium is not required for conduction and convectio, radiation

A. They are longitudinal waves and material medium is not required for their propagation

B. They are transverse waves and material medium is required for their propagation

C. They are longitudinal waves and material medium is required for their propagation

D. They are transverse waves and material medium is not required for their propagation

A. RADAR (Radio Detective & Ranging

B. SONAR (Sound Navigation & Ranging

C. law of reflection

D. law of diffraction

A. A ray passing from rarer to denser medium and not able to pass to denser medium at an angle greater than critical angle

B. A ray passing from denser to rarer medium and not able to pass to rarer medium at an angle greater than critical angle

C. A ray passing from either denser to rarer medium or rarer to denser medium and not able to pass any medium at an angle smaller than critical angle

D. None of the above