1. A Semi conductor acts as an insulator at – 0 K
2 The laser which helped to prove that the velocity of light is the same in all directions
is – He-Ne laser
3. The value of the magnetic permeability of free space µo = 4 π ×10-7 H/m
4 The velocity V of a sound wave of frequency (n) and wave length (λ) is given by – v = nλ
5 In a p-type semi conductor majority carriers are – holes
6 1 Calorie = 4.2 J
7 Deep Water region behaves as a – Rarer medium
8 The units of Intensity of magnetisation are – Tesla
9 β- Particles are – Electrons
10 Neptunium series is a – 4n+1 series
11 The radius of nucleus of an atom is – 10-13cm
12 A transformer works on the principle of – Mutual induction
13 The unit of B in S.I. System is – N/A-m
14 Refining and extraction of metals is – Metallurgy
15 The least count of a screw gauge when the pitch of the screw is 0.5 mm and the total no. of divisions on the head is ‘100’ is – 0.005 mm
16 An example for diamagnetic substance is – Bi
17 Distance between two successive nodes is- λ/2
19 The energy gap is highest in the case of – insulator
20 Which one of the following is not a diamagnetic substance- Iron
21 In a stationary wave, the points at which the displacement is minimum are called – Nodes
22 Mass Energy relationship is E= mC2
23 Quantum theory was proposed by – Max Planck
24 The unit of electric current is – Ampere
25 The unit of ‘pole srength’ in S.I. units is – Ampere – metre
AP – SSC Study Material
Andhra 10th Social Studies Practice Bits with Answers
1. India and China have differences on the issue of (Tibet)
2 Nilgiri hills are in …. state (Tamil Nadu)
3 Most of the Iron ore deposits are located in the —- Rocks (Archaean)
4 The architect of Indian foreign polices (Jawaharlal Nehru)
5 The first India ambassador sent to Soviet Union (Vijaya Lakshmi Pandit)
6 The executive organ of the U.N.O (Security Council)
7 India holds a permanent seat on the governing body of (ILO)
8 The National Policy for Children was published in (1974)
9 This country was not a member of Soviet Bloc (France)
10 The great astronomer of Ancient India (Varahamihira)
11 …th of the headlight has to painted black (1/2)
12 The Headquarters of Southern Railway is at (Chennai)
13 The Right to religion is (a fundamental right)
14 The Headquarters of South Central Railway is at (Secunderabad)
15 The General Assembly of U.N.O. meets atleast once in a (year)
16 “Sons of Soil ” theory is a part of (Regionalism)
17 India was partitioned into two countries in 1947 on the basis of (religion)
18 The document ‘Education for all’ was announced in (1990)
19 The year in which the Universal Declaration of Human Rights was adopted by the U.N.O. (1948)
20 The Dowry, Prohibition Act was formulated in (1961)
21 Hazari Bagh mineral deposits belong to the state of (Jharkhand)
22 The Russia Foreign Minister was (Maltov)
23 This country’s foreign policy is, main principle for the non-alignment policy (India)
24 Varanasi is situated on the bank of the river (Ganga)
25 India conducted First Nuclear Test (Explosion) at (Pokhran)