Escape Velocity of Planets MCQs with Answers PDF Download – Test 38

MCQ 186: 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

MCQ 187: 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 )

MCQ 188: 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

MCQ 189: 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

MCQ 190: Type of interference in which phase difference is π radian is:

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