NCERT Class 9 Arts Important Chapter 4 Creativity in Light and Sound Solutions English Medium As Per New Syllabus. to each chapter is provided in the list so that you can easily browse through different chapters NCERT Class 9 Arts Important Chapter 4 Creativity in Light and Sound Notes and select need one. NCERT Class 9 Arts Important Chapter 4 Creativity in Light and Sound Question Answers Download PDF. NCERT Class 9 Arts Additional Question Answer.
NCERT Class 9 Arts Important Chapter 4 Creativity in Light and Sound
Also, you can read the NCERT book online in these sections Solutions by Expert Teachers as per Central Board of Secondary Education (CBSE) Book guidelines. CBSE Class 9 Arts Additional Solutions are part of All Subject Solutions. Here we have given NCERT Important Solutions For Class 9 Arts Madhurima, CBSE Class 9 Arts Important Notes for All Chapters, You can practice these here.
Creativity in Light and Sound
Chapter: 4
| IMPORTANT QUESTION ANSWER |
Short Questions Answer
1. Why do most theatres use a “black box” approach for their stage design?
Ans: Theatres start with a completely dark space, or “black box,” to ensure that stray and unwanted reflections are minimised, giving the designer precise control over the lighting.
2. What was the original, basic purpose of stage lighting?
Ans: The original purpose of stage lighting was simply to make the performers and objects visible on the stage.
3. Beyond visibility, what are other key functions of stage lighting?
Ans: Lighting is used to provide information (like time of day), create specific moods, balance visual composition, draw attention to certain parts of the stage, and convey symbolism or special effects.
4. What is a floodlight and what is its main drawback if not using LEDs?
Ans: A floodlight is a simple fixture designed to wash an area with light without giving the designer much control over beam shape. Traditional tungsten floodlights produce a lot of heat, a problem avoided by modern LED versions.
5. What does the acronym PAR stand for?
Ans: PAR stands for Parabolic Aluminised Reflector, which refers to a type of lamp that has the lens, reflector, and light source in a single container.
6. How can you easily visually identify a Fresnel light?
Ans: A Fresnel light is easily recognisable by the concentric rings present on its lens.
7. What are “barndoors” used for on a PC (Plano-Convex) light?
Ans: Barndoors are accessories attached to the front of a light to shape the beam and prevent unnecessary light spillage.
8. Which lighting fixture gives designers the most control over the light beam?
Ans: The Profile (or spotlight) offers the most control, allowing designers to project hard or soft-edged beams, focus on specific areas, and precisely shape the light using framing shutters.
9. What is a gobo?
Ans: A gobo is an accessory used with a profile light to project a pattern (like a window or tree branches) and add a sense of texture or extra dimension to the light beam.
10. What specific effect do footlights create?
Ans: Footlights illuminate the actors from the bottom up and are typically used to create special effects.
11. How do backlights enhance the stage?
Ans: Backlights are used to add depth and create silhouettes of the actors.
12. What is the role of a light console?
Ans: The light console is the digital or manual board that enables a designer to select which lights to use, set their intensity, change their colour, and record the lighting design plan for the show.
13. In what situation would microphones be completely unnecessary in a theatre?
Ans: If the acoustics of the auditorium are perfectly designed, microphones wouldn’t be needed because even a whisper from the corner of the stage would be naturally audible to the audience.
14. What are the three main categories of a theatre sound system?
Ans: A sound system consists of Input (microphones/devices capturing sound), Signal routing, processing, and amplifying (mixers/consoles), and Output (speakers).
15. Which type of microphone is best for blocking out external noise on open-air stages?
Ans: A dynamic mic works very well on stage to cut out external noise.
16. Which microphone should be used if an actor needs to move freely around the stage?
Ans: A lapel mic is ideal because it is a cordless piece of equipment that allows for free movement.
17. Where is a foot mic typically positioned?
Ans: A foot mic is placed on the floor of the stage, usually near the front edge.
18. What is the purpose of a sound console (mixer)?
Ans: The sound console receives signals from input devices and allows the designer to adjust volumes and combine multiple audio inputs into a single, common output.
19. How is Artificial Intelligence (AI) currently used in stage lighting?
Ans: Smart lighting systems use AI to analyse a performance in real-time and automatically adjust the colour, intensity, and focus of lights in response to the actors’ movements.
20. How is AI enhancing theatre sound design?
Ans: AI tools are used to generate adaptive soundscapes that instantly respond to a live performance, heightening the ambience and emotional impact of a scene.

