Current Affairs - Science

Exercise :: Science - Latest Current Affairs

  • Science - Latest Current Affairs
6. 

How many commercial satellites have been launched by ISRO along with RISAT-2BR1?

A. 7
B. 9
C. 10
D. 12

Answer: Option B

Explanation:

ISRO launched the RISAT-2BR1 satellite on 11 December 2019. India's Polar Satellite Launch Vehicle (PSLV) launched RISAT-2BR1, the fiftieth flight (PSLV-C48), along with nine commercial satellites from Satish Dhawan Space Centre (SDSC) SHAR, Sriharikota. RISAT-2BR1 was injected successfully into an orbit of 576 km.

7. 

How many missions will be completed by PSLV with the launch of RISAT-2BR1 on board PLSV-C48?

A. 58
B. 55
C. 50
D. 45

Answer: Option C

Explanation:

The countdown is on for the launch of India's radar imaging earth observation satellite RISAT-2BR1 on board PLSV-C48 from its spaceport of Sriharikota. The workhorse Polar Satellite Launch Vehicle, on its 50th mission, PSLV-C48, is scheduled to lift off from the first launch pad of the Satish Dhawan Space Centre at Sriharikota, about 130 km at 3.25 p.m. on December 11.

8. 

Who has won the Sree Ramakrishna Paramhansa Research Grant?

A. Dibyendu Sarkar
B. Patrick D'Silva
C. Santasabuj Das
D. Vidita Vaidya

Answer: Option D

Explanation:

Sree Padmavathi Venkateswara Foundation, the Vijayawada headquartered body that has been supporting research in medical education and care, has announced a grant of Rs 3 crore for research in biological and chemical sciences. Vidita Vaidya, a young scientist working at the Tata Institute of Fundamental Research (TIFR), has secured the grant of Rs 3 crore. The TIFR scientist proposes to take up research on stress at young age leading to changes in brain and eventually leading to changes in behavioural patterns.

9. 

Which Radar Imaging Satellite is to be launched by ISRO?

A. RISAT-2B
B. RISAT-2BR1
C. RISAT-1BR2
D. RISAT-1B

Answer: Option B

Explanation:

ISRO has planned to launch sharp-eyed surveillance satellite RISAT-2BR1 (Radar Imaging Satellite-2) with synthetic aperture radar (SAR) on 11 December 2019. RISAT-2BR1 is a radar imaging satellite.It is dubbed as a spy satellite.It can take pictures of the earth during day and night even under cloudy conditions.The satellites will help 24/7 border surveillance along with checking infiltration.

10. 

Which NASA satellite has recently found the crashed Indian Moon lander Vikram?

A. CALIPSO
B. Aura
C. Landsat7
D. LRO

Answer: Option D

Explanation:

NASA satellite orbiting the Moon has found India's Chandrayaan-2 Vikram lander which crashed on the lunar surface in September. NASA released an image taken by its Lunar Reconnaissance Orbiter (LRO) that showed the site of the spacecraft's impact (September 6 in India and September 7 in the U.S.) and associated debris field, with parts scattered over almost two dozen locations spanning several kilometers.