Escape Velocity of Planets MCQs (Multiple Choice Questions) PDF Download - 38

Mars has escape velocity of

1. 10.3 Km/s
2. 4.3 Km/s
3. 5.0 Km/s
4. 35.6 Km/s

If M is the mass of object, a is width of slab and b is length of slab, then rotational inertia of slab about perpendicular axis through center is

1. 1/2 M(a+b)
2. 1/12 M(a²+b² )
3. 1/2 M(a²+b² )
4. 1/4 M(a²+b² )

Law which states that net force of all the external forces acting on the system is proportional to the total mass of system is

1. Newton's Second Law for a System of Particles
2. Newton's Second Law for a System of Electromagnetics
3. Newton's Second Law for a System of Thermodynamics
4. Newton's Third Law for a System of Thermodynamics

Light sources such as sun consists of short wave trains with an equal mixture of polarization, such orientation is termed as

1. unpolarization
2. attenuation
3. polarization
4. linearization

Type of interference in which phase difference is π radian is

1. fully constructive
2. fully destructive
3. intermediate
4. random interference