The work function for aluminium surface 4.2 eV and that for
sodium surface is 2.0 eV. The two metal surfaces are
illuminated by suitable radiations so as to cause photo
emission. We observe that.
(1) Both A1 and Na will have the same threshold frequency
(2) The threshold frequency of A1 > that of NA
(3) The threshold frequency of Na > that of Al
(4) The threshold wavelength of Al > that of Na
Camel uses its hump for 1 Storing fat 2 Temperature regulation 3 Storing water 4 Balancing the body during walking in desert sand
Which of the following is correctly matched? A. Golden Temple - Patiala B. Iran Pilar -Agra C. Qutub Minar -Mathura D. Humayun?s Tomb -Delhi
The sea territory of India extends up to: (a) 4 nautical miles (b) 12 nautical miles (c) 200 nautical miles (d) None of these
The diploid number of chromosomes in human body is 1 24 2 40 3 46 4 48
A person using a lens as a simple microscope sees an: (A) inverted virtual image (B) inverted real magnified image (C) upright virtual image (D) upright real magnified image
Crescograph was discovered by: (A) Rutherford (B) J.C. Bose (C) Bohr (D) None of these
Government of Indian has taken a decision to disinvest some of the Public Sector undertakings recently, so that a target of disinvesting Rs.10,000 crore can be achieved. Which of the following units will be disinvested to the tune of 75 per cent? 1 Hindustan Latex Ltd 2 Madras Fertilisers 3 Mahanagar Telephone Nigam Ltd 4 Videsh Sanchar Nigam Ltd
Which one of the following teams was not in the cricket super six league match of the recently-concluded world cup? 1 Sri Lanka 2 Zimbabwe 3 West Indies 4 New Zeland
According to the latest CB Richard Ellis survey on global market rents in 2002, India?s only city is the third most expensive city in the Aisa pacific in terms of occupancy costs. The name of the city is 1 Mumbai 2 Kolkata 3 Delhi 4 Chennai
The principal constituent of the earth?s core is believed to be: (a) iron (b) nickel (c) silicon (d) olivine
Washing soda is the common name for 1 Calcium carbonate 2 Calcium bicarbonate 3 Sodium carbonate 4 Sodium bicarbonate
The capital of Bengal during the days of the Senas was: (a) Karnasuvarna (b) Nadia (c) Tamralipta (d) Gaur