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Showing posts with label JSTSE. Show all posts
Showing posts with label JSTSE. Show all posts

# Physics: Important Discoveries

No. Discovery Scientist Year
1. Proton Rutherford 1919
3. Atom John Dalton 1808
4. Atomic Structure Neil Bohr & Rutherford 1913
7. Raman Effect CV. Raman 1928
8. X-Rays Roentgen 1895
9. Photoelectric effect Albert Einstein 1905
10. Periodic table Mendeleev 1888
11. Nuclear Reactor Anrico Fermi 1942
12. Wireless Telegram Marconi 1901
13. Dynamite Alfred Nobel 1867

## Force and Laws of Motion

(MCQs)

Q1: An object moving at constant velocity in an inertial frame must:

(a) have a net force acting on it
(b) have zero net force acting on it
(c) not have any force of gravity on it
(d) stop after some time due to gravity

Q2: When a bus starts suddenly from rest, the passengers sitting inside the bus move backwards.  This illustrates an example of

(a) Newton First Law of Motion
(b) Newton Second Law of Motion
(c) Newtons Third Law of Motion
(d) None of these

Q3: One newton is the force ____________

(a) of gravity on a 1 kg body
(b) of gravity on a 1 g body
(c) which gives a 1 g body an acceleration of 1 cm/s2
(d) which gives a 1 kg body an acceleration of 1m/s2

## Wednesday 6 February 2013

### CBSE Class 9/10 - JSTS Exam (GK-3) - 2012-13

GENERAL KNOWLEDGE
(Part-3)(JSTS Scholarship Exam - 2012-13)
You may access GK (Part-1),   GK (Part-2)

Q31: Cell Secretions are processed and packed up by

(a) Golgi apparatus
(b) Nucleus
(c) Ribosomes
(d) Mitochondria

Q32: The temperature range of moon is

(a) -10°C to 10°C
(b) -90°C to 10°C
(c) -190°C to 110°C
(d) -50°C to 250°C

Q33: The Constitution of India came into force on

(a) 26 Nov. 1949
(b) 15 Aug.  1947
(c) 26 Jan.  1947
(d) 26 Jan. 1950

Q34: The National Emblem of India has been taken from the pillar of Sarnath which had:

(a)  An Elephant
(b) Four Lions
(c) A Lion
(d) A Bull

## Wednesday 30 January 2013

### CBSE Class 9/10 - JSTS Exam (GK-2) - 2012-13

GENERAL KNOWLEDGE
(Part-2)(JSTS Scholarship Exam - 2012-13)
You may access GK (Part-1)

Q16: Which of the following countries in 20th century was known as Bread Basket of the world

(a) USA
(c) Africa
(d) Australia

Q17: Farmers are paid a Pre-announced price for their crops by FCI which is known as:

(a) Cost Price
(b) Market Price
(c) Minimum Support Price
(d) None of these

## Monday 28 January 2013

### CBSE Class 9/10 - JSTS Examination (GK-1) - 2012-13

GENERAL KNOWLEDGE
(Part-1)(JSTS Scholarship Exam - 2012-13)

Q1: When was NREGA implemented?

(a) 2003
(b) 2005
(c) 1999
(d) 2007

Q2: Buffer stock is the stock of food grains mainly wheat, rice procured by the Government through

(a) IFCI
(b) IDBI
(c) FCI
(d) None of these

Q3: In how many constituencies India has been for Lok Sabha elections

(a) 541
(b) 542
(c) 543
(d) 544