Himachal Pradesh HPTET N-2513 - Free Online Practice Test

91. Dimensions MᵃLᵇTᶜ correspond to A. Velocity B. Acceleration C. Force D. Pressure

92. If x = a t² − b t³, acceleration zero at A. 2a/3b B. a/b C. a/3b D. zero

93. Identify vector quantity A. Heat B. Angular momentum C. Distance D. Energy

94. Force 5 N on weight 9.8 N → acceleration A. 49 m/s² B. 5 m/s² C. 1.96 m/s² D. 0.51 m/s²

95. If 2i+3j+8k ⟂ 4i−4j+ak, find a A. 02-Jan-2025 B. −1/2 C. 1 D. −1

96. Two bodies m & 4m have equal KE, ratio of momentum A. 31-Dec-1899 B. 31-Dec-1899 C. 31-Dec-1899 D. 1:√2

97. Direction of angular momentum of rotating body A. Radius B. Tangent C. Axis of rotation D. 45° to plane

98. If Earth radius shrinks 1%, g will A. Decrease B. Increase C. Same D. A or C

99. Metal feels colder than wood because A. High specific heat B. High thermal conductivity C. Low specific heat D. Low conductivity

100. In closed cycle: Q, U, W → A. U=0 B. Q=0 C. W=0 D. Q=W=0