1501: The working of the quartz crystal In the watch is based on the
(a) Photoelectric Effect
(b) Johnson Effect
(c) Piezo-electric Effect
(d) Edison Effect
1502: Consider the following statements:
1. In the revenue administration of Delhi Sultanate, the in-charge of revenue collection was known as Amil.
2. The lqta system of Sultans of Delhi was an ancient indigenous institution.
3. The office of Mir Bakshi came into existence during the reign of Khalji Sultans of Delhi.
Which of the statements given above is/are correct?
(a) 1 only
(b) 1 and 2 only
(c) 3 only
(d) 1, 2 and 3
1503: The object of the Butler Committee of 1927 was to?
(a) Define the jurisdiction of the Central and Provincial Governments.
(b) Define the powers of the Secretary of State for India.
(c) Impose censorship on national press.
(d) Improve the relationship between the Government of India and the Indian States.
1504: A stone is tied to a rope and attached to a wooden bar which rotates at constant angular velocity. Suddenly the bar is stopped. The stone gets encircled around the bar. What happens to the angular velocity of the stone.
(a) Increases
(b) Decreases
(c) Remains the same
(d) First increases and then decreases
1505: With reference to Indian satellites and their launchers, consider the following statements:
1. All the INSAT-series of satellites were launched abroad
2. PSLVs were used to launch IRS-series of satellites
3. India used the indigenously built cryogenic engines for the first time for powering the third stage of GSLV
4. GSAT, launched in the year 2001, has payloads to demonstrate digital broadcasts and internet services
Which of these statements are correct?
(a) 1, 2, 3 and 4
(b) 2, 3 and 4
(c) 1, 2 and 4
(d) 1 and 3