Blog:
Write a ‘Blog’ in a proper format on ‘Body Language’ with the help of the following points (100 to 150 words):
- Meaning and features
- Characteristics and scope
- Benefits / Importance
- Uses / Ways to utilize
Body language refers to non-verbal communication, where physical behaviors express thoughts and emotions. It includes gestures, facial expressions, posture, and eye contact. The scope of body language extends to personal and professional communication, as it influences how others perceive us. Its benefits include improved communication, trust-building, and conveying emotions without words. Recognizing and utilizing body language effectively can enhance interactions, whether in interviews, presentations, or daily conversations. Being mindful of body language helps convey confidence and understanding in various contexts.
Explain the construction of a spherical wavefront by using Huygens' principle.
The perpendicular distance of the plane \( r \cdot (3\hat{i} + 4\hat{j} + 12\hat{k}) = 78 \) from the origin is __________.
Derive an expression for maximum speed of a vehicle moving along a horizontal circular track.