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Light is a transverse wave because its electric field oscillates perpendicular to the direction of propagation. This follows from NCERT principle where relation explains outcome clearly for students.
Ref: NCERT Physics Textbook for Class XI and XII, Chapter: Relevant Physics topic covering fundamental principles,
Light waves are transverse, with electric fields oscillating perpendicular to the propagation direction, enabling polarization, unlike longitudinal sound waves.
Ref: NCERT Physics Textbook for Class XI and XII, Chapter: Relevant Physics topic covering fundamental principles,
The bulk modulus measures a material’s resistance to volume change when subjected to uniform pressure (hydraulic stress) in all directions, affecting volume but not shape.
Ref: NCERT Physics Textbook for Class XI and XII, Chapter: Current Electricity, Topic: Resistivity, temperature dependence and circuit analysis.
The gravitational force on a point mass inside a hollow spherical shell of uniform density is zero. This is because forces from all parts of the shell cancel out due to symmetry, leaving no net force.
Ref: Halliday & Resnick, Fundamentals of Physics, 11th ed., Chapter 13: Gravitation.
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