Answer:
The time period of the wave is 0.002 sec.
Explanation:
Given that,
Frequency = 0.5 kHz
Phase difference 
Path difference = 1.5 cm
We need to calculate the time period
Using formula of time period
The frequency is the reciprocal of time period.
Where, f = frequency
Put the value into the formula
Hence, The time period of the wave is 0.002 sec.
hydrogen
Explanation:
tbh Idk I'm just guessing
Answer:
To reach the goal to be Eco friendly, the designer must not harm the ecosystem of surrounding in any ways.
Explanation:
- Friendly design means that the hotel must not harm the surrounding ecosystem in any way.
- The hotels' energy consumption shall be fulfilled by the use of renewable resources like solar, wind energy, etc.
- Proper disposal of wastage is the most important term.
- No, chemicals are used inside the premises of the hotel for any purpose of cleaning, washing, etc.
- The designer must place a garden with grass, trees, and flowers for the fresh air of the hotel.
Answer:
Explanation:
In physics, there are two types of physical quantities namely the fundamental and the derived quantities. Fundamental quantities are independent quantities on which derived quantities depends on. Length, mass and time are examples of fundamental quantities.
The SI unit of length is meters. A meter is a multiple unit. Its submultiple units are centimetres (10⁻²metres), kilometres (10³metres), decimetres (10⁻¹metres) etc
The SI unit of mass is kilogram (kg). The only sub multiple unit used in real-life situation is grams.
1 kg = 100 grams
The SI unit of time is seconds. The multiple units are the minutes, hours, weeks, days and years.
1 minute = 60 seconds
1 hour = 3600 seconds
1 day = 24 * 3600 = 86,400 secs
