Sundial

Q. Which of the following historical sites is equipped with a sundial?

1. Taj Mahal
2. Red Fort
3. Jantar Mantar
4. Qutub Minar

Q. Which of the following factor(s) is/are considered while measuring time in a sundial?

1. Speed and direction of the wind.
2. Length of shadow created by the sundial.
3. Direction of shadow created by the sundial.
4. Temperature when the measurement is taken.

Q. Which of the following factor(s) is/are considered while measuring time in a sundial?

1. Speed and direction of the wind.
2. Length of shadow created by the sundial.
3. Direction of shadow created by the sundial.
4. Temperature when the measurement is taken.