556: With reference to 'Astrosat', the astronomical observatory launched by India, which of the following statements is/are correct?
1. Other than USA and Russia, India is the only country to have launched a similar observatory into space.
2. Astrosat is a 2000 kg satellite placed in an orbit at 1650 km above the surface of the Earth.
Select the correct answer using the code given below.
(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2
557: Finance Commission is appointed after every:
(a) 2 years
(b) 5 years
(c) 7 years
(d) 10 years
558: Cobalt-60 is commonly used in radiation therapy because it emits
(a) alpha rays.
(b) beta rays.
(c) gamma rays.
(d) X-rays.
559: The first factory Act restricting the working hours of women and children, and authorizing local governments to make necessary rules was adopted during whose time?
(a) lord Lytton
(b) Lord Ripon
(c) Lord Bentinck
(d) Lord Canning
560: Which of the following pairs are correctly matched ?
I. Lothal : Ancient dockyard
II. Sarnath : First Sermon of Buddha
III. Rajgir : Lion capital of Asoka
IV. Nalanda : Great seat of Buddhist learning
Select the correct answer using the codes given below:
Codes :
(a) I, II, III and IV
(b) III and IV
(c) I, II and IV
(d) I and II